question

In the regular decagon shown, what is the measure of angle 1?

answer

36

question

Which classifications apply to the polygon? Check all that apply.

answer

concave
hexagon

question

How can you best describe the outside of one of these objects using polygons?
The object has __ sides, so it is _____________.
It appears to be __________ because the sides and angles appear to be congruent.

answer

6, a hexagon
regular

question

What is the sum of the interior angle measures of a regular decagon?
What is the measure of each interior angle of a regular decagon?

answer

1440
144

question

Four interior angles of a pentagon measure 156°, 72°, 98°, and 87°. What is the measure of the final interior angle?

answer

127°

question

Which polygon has an interior angle sum of 1260°?

answer

C

question

An interior angle of a regular polygon has a measure of 108°. What type of polygon is it?
The polygon is

answer

a pentagon

question

What is the measure of angle ACB?

answer

73

question

What is the value of x?

answer

72

question

Which is a correct description of the polygon?

answer

It is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

question

Three interior angles of a quadrilateral measure 55°, 117°, and 120°. What is the measure of the fourth interior angle?

answer

68°

question

What is the value of x?
100°
120°
130°
150°

answer

130°

question

What is the value of x?
6
8
10
12

answer

8

question

Each angle of a regular octagon has a measure of ___ degrees.

answer

135

question

What type of polygon is shown?
convex heptagon
concave heptagon
concave octagon
convex octagon

answer

concave heptagon

question

What is the sum of the measures of the interior angles of a 12-gon?

answer

1800°

question

What type of polygon is shown?
convex heptagon
concave heptagon
concave hexagon
convex hexagon

answer

convex hexagon

question

Which polygon has an interior angle sum of 1080°?

answer

A

question

An interior angle of a regular polygon has a measure of 135°. What type of polygon is it?

answer

octagon