Free Printable Test - Angles of Polygons

1.

Identify the expression that will find the sum of the angle measures of the pentagon.

a)

$5\times180$

b)

$5+180$

c)

$3\times180$

d)

$3+180$

2.

Find the sum of the angle measures by dividing the polygon into triangles.

a)

3°

b)

720°

c)

360°

d)

540°

3.

A polygon has 13 sides. What is the sum of its interior angles?

a)

$1,300\degree$

b)

$1,620\degree$

c)

$1,980\degree$

d)

$2,340\degree$

4.

Determine the number of triangles formed by drawing the diagonals from one vertex in the octagon.

a)

6

b)

7

c)

8

d)

10

5.

Find the unknown angle measure.

a)

$40\degree$

b)

$220\degree$

c)

$180\degree$

d)

$50\degree$

6.

Find the sum of the angle measures by dividing the polygon into triangles.

a)

540°

b)

3°

c)

360°

d)

720°

7.

Find the sum of the angle measures by dividing the polygon into triangles.

a)

1080°

b)

6°

c)

900°

d)

1260°

8.

A quadrilateral has angles that measure $71\degree,\ 74\degree,\ 113\degree,\ and\ x\degree.$ What is the value of x ?

a)

$102\degree$

b)

$250\degree$

9.

Find the unknown angle measure.

a)

$220\degree$

b)

$40\degree$

c)

$180\degree$

d)

$50\degree$

10.

A polygon has 9 sides. What is the sum of its interior angles?

a)

$700\degree$

b)

$1,080\degree$

c)

$1,260\degree$

d)

$1,620\degree$

11.

Two angles of a triangle measure $34\degree$ and $77\degree$ . What is the measure of the third angle of the triangle?

a)

$29\degree$

b)

$69\degree$

c)

$89\degree$

d)

$109\degree$

12.

What is the unknown measure in the congruent polygons?

a)

$64\degree$

b)

$79\degree$

c)

$90\degree$

d)

$127\degree$

13.

A polygon has 6 sides. What is the sum of its interior angles?

(a)

14.

A quadrilateral has angles that measure 92°, 75°, 160°, and x°. What is the value of x?

(a)

15.

Two angles of a triangle measure 55° and 107°. What is the measure of the third angle of the triangle?

(a)

Test - Angles of Polygons - Test

Total questions: 15

Worksheet time: 8mins

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