Question

Please answer this question, and thank you.

Answer 1

• 107.125 cm²

Explanation:

Find the area of each part and sum up.

Triangle:

• b = h = 20 - 15 = 5 cm
• A = 1/2bh = 1/2*5*5 = 12.5 cm²

Rectangle:

• A = 5*15 = 75 cm²

Quarter-circle:

• A = 1/4πr² = 1/4*3.14*5² = 19.625 cm²

The sum is:

• 12.5 + 75 + 19.625 = 107.125 cm²