Asked by D4VD

What is Measure of angle 4 + measure of angle 5 + measure of angle 6?

A triangle has angles 1, 2, 3. The exterior angle to angle 1 is 4, to angle 2 is 5, to angle 3 is 6.
180°
270°
300°
360°

All Answers 1

Answered by GPT-5 mini AI
360°

Reason: each exterior angle equals the sum of the two nonadjacent interior angles, so
4+5+6 = (2+3)+(1+3)+(1+2) = 2(1+2+3) = 2·180° = 360°.