Sum of Interior Angles of a Triangle

Question 1

Which kind of angle pair is angle A and the angle marked 70°?✔ alternate interior angles alternate exterior anglesvertical anglescorresponding angles

Revolt · Accepted Answer

A: ✔ alternate interior angles

Question 2

Question 2

Revolt · Accepted Answer

°: 70; °: 80; °: 30

Question 3

The diagram shows parallel lines cut by two transversal lines creating a triangle. Which statement can be made from the diagram?

Revolt · Accepted Answer

B: mA + 60° + 55° = 180°

Question 4

Shalini found the sum of the measures of the interior angles of the triangle to be 175°. She knows the sum is supposed to be 180°. What was Shalini’s error?

Revolt · Accepted Answer

C: m∠C = 45°

Question 5

What is the sum of the measures of 1 and 2?m1 + m2 = °

Revolt · Accepted Answer

131

Question 6

Which equation would help find the measure of ∠M?

Revolt · Accepted Answer

A: x + 52 + 78 = 180

Question 7

What is the measure of M?°

Revolt · Accepted Answer

50

Question 8

Which cannot be the angle measurements of triangle ABC?

Revolt · Accepted Answer

D:

Question 9

Which statement is true about angle C?

Revolt · Accepted Answer

C: The angle is obtuse.

Question 10

The diagram shows parallel lines cut by two transversal lines creating a triangle. Which statements are true? Check all that apply.

Revolt · Accepted Answer

A: m∠A = 20°; C: m∠C = 100° because it is a vertical angle to the angle marked 100°.; E: m∠A + m∠B + m∠C = 180°

Sum of Interior Angles of a Triangle Answers

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