Exterior Angles of a Triangle

Question 1

What is the name of an interior angle of a triangle that shares a side and a vertex with an exterior angle of the triangle?

Revolt · Accepted Answer

adjacent interior angle

Question 2

The measure of angle 4 is 120°, and the measure of angle 2 is 35°. What is the measure of angle 5?

Revolt · Accepted Answer

95°

Question 3

Which statements are true for the image below? Check all that apply.

Revolt · Accepted Answer

Measure of angle B = measure of angle C + 33 degrees; Measure of angle B = 360 degrees minus (measure of angle D + 128 degrees); Measure of angle D + measure of angle B + 128 degrees = 360 degrees; Measure of angle D = 180 degrees minus 33 degrees

Question 4

The measure of angle W is 100°, and the measure of angle Z is 68°. What is the measure of angle Y?

Revolt · Accepted Answer

32°

Question 5

The measure of angle Y is 45°, and the measure of angle Z is 70°. What is the measure of angle W?

Revolt · Accepted Answer

115°

Question 6

Which angle is an adjacent interior angle?

Revolt · Accepted Answer

3

Question 7

Which statements about the angles of the triangle are true? Check all that apply.

Revolt · Accepted Answer

Angle 1 is an exterior angle.; Angle 7 is an adjacent interior angle.; Angles 6 and 8 are remote interior angles to the exterior angle 1.

Question 8

Which angle is an exterior angle of the triangle?

Revolt · Accepted Answer

4

Question 9

Several students made comments about this image. Which comment is true?

Revolt · Accepted Answer

“If I know the measures of angles C and B, I can find the measures of A and D.”

Question 10

The sum of the measures of two angles of a scalene triangle is calculated, and the result is the same as the measure of one of the external angles of a triangle. Which pair of angle measures was calculated?

Revolt · Accepted Answer

the remote interior angles

Exterior Angles of a Triangle Answers

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