Question

please answer me please please please please

Answer 1

the answer is b
because area of sector is a part of the total area.
so (titha)/180 is the measurement of that area of a degree and the (pie)r^2 is the total area

Answer 2

Area of Sector =
$\frac{ angle}{360} \times \pi {r}^{2}$
all options are wrong.

We can write this

angle/ 720 ×2πr^2