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