Answers2026 Summer 305 Edgenuity CR_Grade 8 Pre-Algebra_MathSum of Interior Angles of a Triangle

Sum of Interior Angles of a Triangle Answers

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Question text not available

Answers:
°:90
°:180
2
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When mC decreases, what happens to the middle section on line p?It increases.✔ It also decreases.It stays the same.

Question illustration
A
It increases.
B
It also decreases.
C
It stays the same.
3

When mC increases, what happens to the middle section on line p?✔ It also increases.It decreases.It stays the same.

Question illustration
A
It also increases.
B
It decreases.
C
It stays the same.
4

Angle C should measure approximately ✔ 37 degrees47 degrees51 degrees92 degrees

A
✔ 37 degrees
B
47 degrees
C
51 degrees
D
92 degrees
5

Which statement is not true of line p?

A
It stays the same even when the angles in the triangle change.
B
It represents the sum of the three angle measures of the triangle.
C
It combines the three angles from the triangle to form a straight line.
D
It is a straight angle which measures 360°.
6

What is the approximate measure of B?mB = 0✔ 304560°

Question illustration
Answers:
°:30
°:180
7

What is the approximate measure of B?mB = 41✔ 904980°

Question illustration
Answers:
°:90
°:180
8

If the measure of B is 40°, what measures can A and C be? Select the three correct answers.

Question illustration
A
20° and 30°
B
30° and 110°
C
55° and 85°
D
60° and 90°
E
70° and 70°
9

Angle C should measure approximately ✔ 37 degrees47 degrees51 degrees92 degrees

A
37 degrees
B
47 degrees
C
51 degrees
D
92 degrees
10

Which statement is not true of line p?

A
It stays the same even when the angles in the triangle change.
B
It represents the sum of the three angle measures of the triangle.
C
It combines the three angles from the triangle to form a straight line.
D
It is a straight angle which measures 360°.
11

What is the approximate measure of B?mB = 0✔ 304560°

A
0
B
30
C
45
D
60
12

What is the approximate measure of B?mB = 41✔ 904980°

A
41
B
90
C
49
D
80
13

If the measure of B is 40°, what measures can A and C be? Select the three correct answers.

A
20° and 30°
B
30° and 110°
C
55° and 85°
D
60° and 90°
E
70° and 70°
14

Question text not available

Answer:

I hypothesize that the sum of the interior angles of any triangle is always 180 degrees. This works for all triangles because if you were to tear off the corners and place the vertices together, they would form a straight line, which measures 180 degrees.

15

What is the sum of mA, mB, and mC?90✔ 180270360°

Question illustration
A
90
B
✔ 180
C
270
D
360
16

What is the sum of the interior angles of the triangle?90170✔ 180200°

A
90
B
170
C
✔ 180
D
200
17

What is the sum of mA, mB, and mC?90✔ 180270360°

A
90
B
180
C
270
D
360
18

What is the sum of the interior angles of the triangle?90170✔ 180200°

A
90
B
170
C
180
D
200
19

Which did you include in your response?

A
The sum of all three angles is 180 degrees.
B
The three angles form a straight line.

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