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Math
Geometry
Math final review
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Terms in this set (31)
Right Angle
an angle of 90°
Vertical Angles
each of the pairs of opposite angles made by two intersecting lines.
Supplementary Angles
either of two angles whose sum is 180°
Angle Bisector
is a line or ray that divides an angle into two congruent angles.
Collinear Points
Three or more points that are said to be collinear if they lie on a single straight line
Complementary angles
Two Angles are Complementary when they add up to 90 degrees (a Right Angle).
Coplanar
in the same plane.
Linear Pair
is a pair of adjacent, supplementary angles.
Midpoint
the midpoint is the middle point of a line segment.
Perpendicular Lines
the line AB is perpendicular to the line DF
Segment Bisector
A point, segment, line, or plane that divides a line segment into two equal parts.
Distance (points on number line)
The distance between two points is the length of a straight line segment that links them.
Reflexive Property
The reflexive property of equality simply states that a value is equal to itself.
Transitive Property
Transitive Property of Equality following property: If a = b and b = c, then a = c.
Substitution Property
The substitution property of equality, one of the eight properties of equality, states that if x = y, then x can be substituted in for y in any equation
Distributive Property
The distributive property lets you multiply a sum by multiplying each addend separately and then add the products.
Multiplication Property
The Multiplication Property of Equality states that if you multiply both sides of an equation by the same number, the sides remain equal
Division Property
The Division Property of Equality states that if you divide both sides of an equation by the same nonzero number, the sides remain equal.
Addition Property
The property that states that if you add the same number to both sides of an equation, the sides remain equal
Subtraction Property
Subtraction Property of Equality: States that when both sides of an equation have the same number subtracted from them, the remaining expressions are still equal.
SSS
Triangles are congruent if all three sides in one triangle are congruent to the corresponding sides
SAS
Triangles are congruent if any pair of corresponding sides and their included angles are equal in both triangles.
AAS
Triangles are congruent if two pairs of corresponding angles and a pair of opposite sides are equal in both triangles.
ASA
Triangles are congruent if any two angles and their included side are equal in both triangles.
HL
This theorem states that 'if the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle, then the triangles are congruent.
Isosceles Triangle
An isosceles triangle is a triangle that has two sides of equal length.
Congruence of Triangles
If three pairs of sides of two triangles are equal in length, then the triangles are congruent.
Corresponding Parts of Congruent Triangles
a succinct statement of a theorem regarding congruent trigonometry, defined as triangles either of which is an isometry of the other.
Right Triangle and Parts
the right angle, is called the hypotenuse.
Equilateral Triangles
having all its sides of the same length.
Equiangular Triangles
An equiangular triangle is a triangle where all three interior angles are equal in measure.
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