Sep 6, 2024

I'd say the best approach. Because the angle at the top is 90 degrees, the triangles are similar, 15:30 as 30:60. You've asked for the area of the semicircle, so A=pi*75*75/8.

Sep 6, 2024

I'd say the best approach. Because the angle at the top is 90 degrees, the triangles are similar, 15:30 as 30:60. You've asked for the area of the semicircle, so A=pi*75*75/8.