Question

5th period 2 - 3: mathxl for school: practice & problem - solving copy 1 part 1 of 2 for the figure shown, find m∠1 and m∠2. (the figure is not drawn to scale.) m∠1 = □°

Explanation:

Step1: Use exterior - angle property

The exterior - angle of a triangle is equal to the sum of the two non - adjacent interior angles. For the triangle with angles 32° and ∠1 and the exterior angle 93°. So, 32°+∠1 = 93°.

Step2: Solve for ∠1

Subtract 32° from both sides of the equation: ∠1=93° - 32°.

Answer:

61