# Study sets matching "geometry triangle"

Study sets

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Triangle

Equilateral Triangle

Scalene Triangle

Isosceles Triangle

A Polygon with 3 sides. The point of intersection of 2 sides i…

A Triangle with 3 congruent sides.

A Triangle with 3 sides that have different lengths.

A Triangle with at least 2 congruent sides.

Triangle

A Polygon with 3 sides. The point of intersection of 2 sides i…

Equilateral Triangle

A Triangle with 3 congruent sides.

two legs

b/c

Tangent

Trigonomentry

Trigonometry ratios are the ratios of __________ _________ of…

The sin B=

In a right triangle, the ratio of the side opposite / the side…

the branch of mathematics dealing with the relations of the si…

two legs

Trigonometry ratios are the ratios of __________ _________ of…

b/c

The sin B=

Midsegment

Point of Concurrency

Median

Centroid

A segment that connects the midpoints of two sides of a triang…

The point where three or more lines, segments, or rays interse…

A median is a segment that connects the vertex of a triangle w…

The point of concurrency for three medians.

Midsegment

A segment that connects the midpoints of two sides of a triang…

Point of Concurrency

The point where three or more lines, segments, or rays interse…

fake

real

real

fake

Is this a real or "fake" triangle? It has side lengths of 14 c…

Is this a real or "fake" triangle? It has side lengths of 5 cm…

Is this a real or "fake" triangle? It has side lengths of 13 c…

Is this a real or "fake" triangle? It has side lengths of 3 cm…

fake

Is this a real or "fake" triangle? It has side lengths of 14 c…

real

Is this a real or "fake" triangle? It has side lengths of 5 cm…

Acute Triangle

Equiangular Triangle

Obtuse Triangle

Right Triangle

If all three of the angles of a triangle are acute angles, the…

If all three angles of an acute triangle are congruent, then t…

If one of the angles of a triangle is an obtuse angle, then th…

If one of the angles of a triangle is a right angle, then the…

Acute Triangle

If all three of the angles of a triangle are acute angles, the…

Equiangular Triangle

If all three angles of an acute triangle are congruent, then t…

Right Triangle

Hypotenuse

Legs of a right triangle

Pythagorean Theorem

A triangle with a right angle.

The side opposite the right angle.

The sides that form the right angle

The sum of the squares of the legs of a right triangle is equa…

Right Triangle

A triangle with a right angle.

Hypotenuse

The side opposite the right angle.

Right Triangle

Pythagorean Theroem

Hypotenuse

Legs

One right angle

a squared + b squared = c squared... a^2 + b^2 = c^2

Longest leg across from rt. angle (c)

Two shorter sides of a rt. triangle (a & b)

Right Triangle

One right angle

Pythagorean Theroem

a squared + b squared = c squared... a^2 + b^2 = c^2

median - centroid

centroid

median

altitude - orthocenter

"my children" stands for...

center created by medians -- always inside the triangle

line that starts at vertex and hits the midpoint of the opposi…

"all of" stands for...

median - centroid

"my children" stands for...

centroid

center created by medians -- always inside the triangle

Hypotenuse

Right triangle

Leg

short leg

The side opposite the right angle, also the longest side in a…

any triangle with a 90 degree angle

the sides that are not the hypotenuse

the shortest side of right triangle

Hypotenuse

The side opposite the right angle, also the longest side in a…

Right triangle

any triangle with a 90 degree angle

SAS

SSS

ASA

AAS

The triangle congruence method which requires that the triangl…

The triangle congruence method which requires that the triangl…

The triangle congruence method which requires that the triangl…

The triangle congruence method which requires that the triangl…

SAS

The triangle congruence method which requires that the triangl…

SSS

The triangle congruence method which requires that the triangl…

Midsegment

Point of Concurrency

Median

Centroid

A segment that connects the midpoints of two sides of a triang…

The point where three or more lines, segments, or rays interse…

a segment that connects the vertex of a triangle with the midp…

The point of concurrency for three medians.

Midsegment

A segment that connects the midpoints of two sides of a triang…

Point of Concurrency

The point where three or more lines, segments, or rays interse…

If three sides in a triangle are congru…

If two sides and an included angle in o…

If two angles and an included side in o…

If two angles and a side that is not in…

SSS (Side Side Side)

SAS (Side Angle Side)

ASA (Angle Side Angle)

AAS (Angle Angle Side) Theorem

If three sides in a triangle are congru…

SSS (Side Side Side)

If two sides and an included angle in o…

SAS (Side Angle Side)

Concurrency

Point of Concurrency

Angle Bisector

Perpendicular Bisector

When 3 or more lines intersect at one point

the point of intersection of concurrent lines

a ray that divides an angle into two congruent angles

A line that is perpendicular to a segment at its midpoint.

Concurrency

When 3 or more lines intersect at one point

Point of Concurrency

the point of intersection of concurrent lines

midsegment

perpendicular bisector

angle bisector

median

connects two midpoints of a triangle; is 1/2 the size of paral…

A line that is perpendicular to a segment at its midpoint.

Ray/segment/line that intersects an angle at the vertex and cr…

a segment whose endpoints are a vertex of a triangle and the m…

midsegment

connects two midpoints of a triangle; is 1/2 the size of paral…

perpendicular bisector

A line that is perpendicular to a segment at its midpoint.

equilateral triangle

isosceles triangle

scalene triangle

acute triangle

a triangle with all three sides equal in length

a triangle with at least two sides that are the same length

a triangle with sides of three different lengths

a triangle with all acute angles

equilateral triangle

a triangle with all three sides equal in length

isosceles triangle

a triangle with at least two sides that are the same length

Equilateral Triangle

Equiangular Triangle

Isosceles △

Scalene △

Triangle with 3 congruent sides

△ with three congruent angles

△ with two congruent sides

△ with no congruent sides

Equilateral Triangle

Triangle with 3 congruent sides

Equiangular Triangle

△ with three congruent angles

SSS

SAS

ASA

AAS

Three sides of one triangle are congruent to three sides of an…

Two sides and the included angle of one triangle are congruent…

Two angles and the included side of one triangle are congruent…

Two angles and the non-included side of one triangle are congr…

SSS

Three sides of one triangle are congruent to three sides of an…

SAS

Two sides and the included angle of one triangle are congruent…

Point of concurrency of a median

Point of concurrency of a perpendicular…

Point of concurrency of an angle bisect…

Point of concurrency of an altitude

centroid

circumcenter

incenter

orthocenter

Point of concurrency of a median

centroid

Point of concurrency of a perpendicular…

circumcenter

If all three of the angles of a triangl…

If all three angles of an acute triangl…

If one of the angles of a triangle is a…

If one of the angles of a triangle is a…

Acute Triangle

Equiangular Triangle

Obtuse Triangle

Right Triangle

If all three of the angles of a triangl…

Acute Triangle

If all three angles of an acute triangl…

Equiangular Triangle

Point of concurrency

Equidistant

Perpendicular Bisector

Circumcenter

point where three or more lines intersect

same distant from an object

a line that cuts a segment into two equal parts at 90 degrees

point of concurrency of perpendicular bisectors

Point of concurrency

point where three or more lines intersect

Equidistant

same distant from an object

acute angle

adjacent side

Sine of theta

Cosine of theta

an angle that measures greater than 0° but less than 90°

In a right triangle, for each acute angle in the interior of t…

length of opposite side divided by length of hyptonuse

length of adjacent side divided by length of hypotenuse

acute angle

an angle that measures greater than 0° but less than 90°

adjacent side

In a right triangle, for each acute angle in the interior of t…

Exterior sum theorem

Triangle sum theorem

Transversal

Alternate interior angle

sum of the measures of exterior angles in a convex polygon is…

The sum of the measures of the angles of a triangle is 180.

a line that intersects two or more coplanar lines at different…

angles between 2 lines and on opposite sides of a transversal

Exterior sum theorem

sum of the measures of exterior angles in a convex polygon is…

Triangle sum theorem

The sum of the measures of the angles of a triangle is 180.

triangle

vertex

Angles of a triangle are labeled 3 ways:

The sum of the measures of the interior…

3 sided polygon

A common endpoint of two sides of a polygon or an angle.

Three capital letters that name the angle... A capital letter tha…

180 degrees

triangle

3 sided polygon

vertex

A common endpoint of two sides of a polygon or an angle.

Circumcenter

Angle Bisector

Medians

Perpendicular Bisector

located at the midpoint of the hypotenuse of a right triangle

cuts an angle into two equal parts

connects the vertex to the midpoint of the opposite side

perpendicular to a side of a triangle; does not necessarily to…

Circumcenter

located at the midpoint of the hypotenuse of a right triangle

Angle Bisector

cuts an angle into two equal parts