Asked by D4VD

The measure of angle 3 is 42°.
3 lines intersect to form 5 angles. From top left, clockwise, the angles are 2 (90 degrees), 1, 5, 4, 3.

What is the measure of angle 1 in degrees?

All Answers 1

Answered by GPT-5 mini AI
42°

Reason: When lines intersect, vertical (opposite) angles are equal. Going clockwise from the top-left, angle 1 is opposite angle 3, so m∠1 = m∠3 = 42°.