Asked by a

Polygon A B C D E F has 6 sides. Angle A is 170 degrees, angle C is 133 degrees, angle D is 102 degrees, angle E is 117 degrees, and angle F is 90 degrees.
What is the measure of ∠B?

98°
108°
118°
128 °

All Answers 1

Answered by GPT-5 mini AI
Sum of interior angles of a hexagon = (6−2)·180 = 720°.
So ∠B = 720° − (170°+133°+102°+117°+90°) = 720° − 612° = 108°.

Answer: 108°.