Question

What is the measure of angle 1? Put the number only.

Answer 1

Answer:

120

Step-by-step explanation:

75 + 45 = 120

The triangle adds up to 180.

180 - 120 = 60

Therefore the inside of the triangle is 75, 45, and now 60 which all adds up to 180.

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Now to find Angle 1.

180 - 60 = 120

With Angle 1 being 120

Answer 2

Answer:

angle 1 = 120 degree

Step-by-step explanation:

75 degree + 45 degree = angle 1 (sum of two opposite interior angles is equal to the exterior angle formed)

120 degree = angle 1