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Unit 7a Test Review (Due 3/4/2025)

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Last updated about 2 hours ago
23 questions
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3
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10
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10
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10
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10
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10
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10
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10
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10
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20
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10
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10
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10
10
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15
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15
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15
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15
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12
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12
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10
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10

Sums of the Interior Angles of a Polygon

Question 1
1.

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

Question 2
2.
Find the sum of the measures of the interior angles in each polygon.

12-gon
_______ degrees

36-gon
_______ degrees

87-gon
_______ degrees
Question 3
3.

Find the value of x.

Exterior Angles of Regular Polygons

Question 4
4.
The indicated shape is a regular polygon.

Find the value of x and y.

x=_______
y=_______
Question 5
5.
The example is a regular polygon. Find the value of x and y.

x=_______
y=_______
Question 6
6.
Find the value of x and y.

x=_______
y=_______
Question 7
7.
Find the value of x.

x=_______
Question 8
8.
Find the value of x.

x=_______

Triangles

Question 9
9.

Find the value of x.

Question 10
10.
If △ABC is an equilateral triangle, solve for both x and y.
x=_______

y=_______
Question 11
11.

Find the measure of the indicated angle.

Question 12
12.

Find the length of the indicated side.

Question 13
13.

Find the measure of the indicated angle.

Question 14
14.

Find the measure of the indicated angle.

Question 15
15.
Find each missing angle measures.

x=_______
m∠A=_______ °
Question 16
16.
Find each missing angle measures.

x=_______
m∠A=_______ °
Question 17
17.
Find each missing angle measures.

x=_______
m∠A=_______ °
Question 18
18.
Find each missing angle measures.

x=_______
m∠A=_______ °
Question 19
19.
Find each missing angle measures.

x=_______
m∠1=_______ °
m∠2=_______ °
m∠3=70°
m∠4=_______ °
m∠5=_______ °
Question 20
20.
Given two sides of a triangle, you can set up an inequality using the sum and difference to show the range of possible lengths for the third side:

13 and 21

a) Set up difference and sum that shows the possible range of side lengths for the third side

_______ - _______ <third side (x) <_______ +_______

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

_______ < x <_______
Question 21
21.
Given two sides of a triangle, you can set up an inequality using the sum and difference to show the range of possible lengths for the third side:

41 and 36

a) Set up difference and sum that shows the possible range of side lengths for the third side

_______ - _______ <third side (x)<_______ +_______

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

_______ < x <_______
Question 22
22.

Question 23
23.

How many integer values of x are there so that x, 4, and 11 could be the lengths of the sides of a triangle?
7
1
5
2
14
8
3
12
13
How many integer values of x are there so that x, 18, and 11 could be the lengths of the sides of a triangle?
6
12
10
7
8
5
3
18
19