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Please help! Asap!
The measure of angle 1 is 30°, and the measure of angle 2 is 110°.

What is the measure of angle 4?
-40°
-80°
-140°
-220°

Please help Asap The measure of angle 1 is 30 and the measure of angle 2 is 110 What is the measure of angle 4 40 80 140 220 class=

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ANSWER:

140°

The measure of angle 4 is 140°.

STEP-BY-STEP EXPLANATION:

Angle 4 is an exterior angle. The exterior angle of a triangle is equivalent to the sum of the two interior angles which don't share a vertex with the respective exterior angle. This means angle 4 is equivalent to the sum of angle 1 and 2.

THEREFORE:

Angle 1 = 30°

Angle 2 = 110°

Angle 4 = Angle 1 + Angle 2

Angle 4 = 30° + 110°

Angle 4 = 140°

C) 3) 140°

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