# Study sets matching "geometry angles polygons"

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An angle that measures greater than zer…

A triangle with 3 acute angles

2 rays with a common end point

Angles whose measures add up to 90 degr…

acute angle

acute triangle

angle

complementary angles

An angle that measures greater than zer…

acute angle

A triangle with 3 acute angles

acute triangle

concave polygon

convex polygon

exterior angle

interior angle

A polygon that has at least one interior angle with a measure…

A polygon with all interior angles measuring less than 180 deg…

An angle at a vertex of a polygon where the side of the angle…

An angle inside a polygon formed by two adjacent sides of the…

concave polygon

A polygon that has at least one interior angle with a measure…

convex polygon

A polygon with all interior angles measuring less than 180 deg…

Polygon

Regular polygon

Irregular polygon

Convex polygon

a closed 2-D shape formed by at least 3 line segments that do…

polygon that has sides and angles that are congruent, or equal

polygon in which not all sides and angles are congruent

a polygon with all angles pointing outward

Polygon

a closed 2-D shape formed by at least 3 line segments that do…

Regular polygon

polygon that has sides and angles that are congruent, or equal

Diagonal

Polygon Interior Angles Theorem

Corollary Interior angles of a quadrila…

Polygon exterior angles Theorem

Of a polygon is a segment that joins two non-adjacent vertices.

The sum of the measure of the interior angles of a convex poly…

The sum of the measures of the interior angles of a quadrilate…

The sum of the measures of the exterior angles of a convex pol…

Diagonal

Of a polygon is a segment that joins two non-adjacent vertices.

Polygon Interior Angles Theorem

The sum of the measure of the interior angles of a convex poly…

Diagonal

Exterior angle

Interior angle

Regularity/ regular polygon

A line from any angle to another; without becoming a side.

The angle formed when any side of a polygon is extended. And a…

Any angle INSIDE a polygon.

Polygon with equal angles and equal sides.

Diagonal

A line from any angle to another; without becoming a side.

Exterior angle

The angle formed when any side of a polygon is extended. And a…

Sum of interior angle measures (formula…

Number of sides in a polygon; measure o…

Measure of an interior angle of a regul…

Find the sum of the measures of the int…

(n-2) x 180

(measure) x n = (n-2) x 180

n = 12

1,440

Sum of interior angle measures (formula…

(n-2) x 180

Number of sides in a polygon; measure o…

(measure) x n = (n-2) x 180

transversal

alternate interior angles

same side interior angles

corresponding angles

line that intersects 2 coplanar lines at 2 points

non adjacent angles that lie on opposite sides of the transver…

angles that lie on the same side of the transversal between 2…

angle that lie on same on same side of transversal in correspo…

transversal

line that intersects 2 coplanar lines at 2 points

alternate interior angles

non adjacent angles that lie on opposite sides of the transver…

point

coplanar

plane

parallel lines

an exact location in space; represented by a dot

on the same plane

a flat surface that continues infinitely in ALL directions

coplanar lines that never intersect

point

an exact location in space; represented by a dot

coplanar

on the same plane

1440°

180°

540°

108°

Find the interior angle sum of a regular decagon

When added together, the interior angle and exterior angle equ…

Find the angle sum.

What is the measure of each interior angle?

1440°

Find the interior angle sum of a regular decagon

180°

When added together, the interior angle and exterior angle equ…

Interior Angle Sum Theorem

Triangle

Quadrilateral

Pentagon

If a convex polygon has n sides and S is the sum of the measur…

Three sided Polygon

Four sided polygon

Five sided polygon

Interior Angle Sum Theorem

If a convex polygon has n sides and S is the sum of the measur…

Triangle

Three sided Polygon

(n-2)180

1440°

108°

128.6°

formula to find the sum of the interior angles in a polygon

What is the sum of the interior angles of a decagon?

In a regular pentagon, what is the measure of one interior ang…

In a regular heptagon, what is the measure of one of the inter…

(n-2)180

formula to find the sum of the interior angles in a polygon

1440°

What is the sum of the interior angles of a decagon?