Question

Dose anyone know this problem if u so plz help!

Answer 1

$A=\dfrac{1}{2}(a+b)h+\dfrac{1}{2}\pi r%2\\ a=8\\ b=4\\ h=4\\ r=2\\ A=\dfrac{1}{2}(8+4)\cdot4+\dfrac{1}{2}\pi \cdot 2^2\\ A=24+2\pi=2(12+\pi)$