Answer:
180
Step-by-step explanation:
30+60+90
90+90
we have add all the angle
-15/16
3/2 x (-5/8) = 12/8 x -5/8 = -60/64 = - 15/16
W=5
Perimeter=2(L+W)
2(L+W)=28
2(2W-1+W)=28
2(3W-1)=28
6W=30