Question

Can someone help me with this? Thank you!

Answer 1

12.56 m²

Explanation:

Given,

π = 3.14

d = 4m

To find : A

Formulas : -

1 ) r = d/2

2 ) A = πr²

r = 4 / 2 = 2m

A = πr²

= 3.14 x 2²

= 3.14 x 2 x 2

A = 12.56 m²

Answer 2

`\qquad\qquad\huge\underline{{\sf Answer}}`

Here we go ~

`\qquad \sf  \dashrightarrow \: a = \pi {r}^(2)`

• r = d/2 = 4/2 = 2 m

`\qquad \sf  \dashrightarrow \: a = 3.14 * {2}^(2)`

`\qquad \sf  \dashrightarrow \: a = 3.14 * {4}^{}`

`\qquad \sf  \dashrightarrow \: a = 12.56 \: \: m {}^(2)`