Question

PLZ SOLVE THESE PARTS PLZ
I WILL MARK HIM AS BRAINLIEST​

Answer 1

Step-by-step explanation:

(1)1/2×90

45 degree

supplementary angle=180-45=135 degree

(2)3/7×280

120 degree

supplementary angle =180-120=60 degree

Answer 2

(I) 135°

(II) 60°

Hope it helps