Question

Pls step by step explanation
Pls ans till 7(i) from 4

Answer 1

$area \: of \: semicircle = \frac{2\pi \: r}{2} \\ \frac{2 \times 3.14 \times 2}{2} \\ \frac{12.56}{2} \\ 6.28cm \\ \ \\area \: of \: rectangle = lb \\ 4 \times 3 \\ 12cm \\ \\ area \: of \: complete \: diagram = sum \: of \: two \: area \\ 6.28 + 12 \\ = 18.28cm$