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per 6 Unit 7a Test: Polygons (Due 3/5/25)

Last updated about 4 hours ago

9 questions

Sums of the Interior Angles of a Polygon

Required

5

Question 1

1.

What is the formula for finding the sum of the interior angles of a regular polygon?
_______ 

Required

5

Required

20

Required

20

Triangles

Required

30

Question 5

5.

Required

20

Required

40

Required

10

Required

8

Question 2

2.

A regular polygon has 18 sides. What is the sum of the interior angles?
_______ 

Question 3

3.

Find the value of x.

x=_______ 

What is the measure of ∠C
_______ 

Question 4

4.

This is a regular polygon 

Find the value of x.

x=_______ 

What is the measure of ∠3?
_______ 

If △ABC is an equilateral triangle, solve for both x and y.
x=_______ 

y=_______ 

What is the measure of ∠A?
_______ °

Question 6

6.

Find the measure of the indicated angle.

Question 7

7.

Line h and line k are parallel. 
(line h || line k)

Round your answer the nearest tenth
x=_______ 

Find each missing angle measures.
m∠a=_______ °
m∠b=_______ °
m∠c=_______ °

Question 8

8.

Write the inequality the shows the range of lengths that could be a third side this triangle:

10 and 24

_______ < x <_______ 

Question 9

9.

How many integer values of x are there so that x, 46, and 12 could be the lengths of the sides of a triangle?