Question

Someone please help me

Answer 1

The formula is $\pi rs+ \pi r^{2}$, where s is slant height.

so,
= 3.14X4X7+3.14X$4^{2}$
= 87.92+50.24
= 138.16$cm^{2}$

Answer 2

There is a rounding error... So 138.16 cm^2 is the answer