Question

The diameter of a circle is 6 cm. Find its area to the nearest tenth.

Answer 1

Answer:

28.27cm²

Step-by-step explanation:

formula:

A=πr²

d = 2r

Solving for A

A=1/4π d² = 1/4 · π · 6² ≈ 28.27433cm²

rounded: 28.27cm²

hope this helped!

Answer 2

Answer:

$= 28.26 {cm}^{2}$

Step-by-step explanation:

$d = 2r \\ 6 = 2r \\ \frac{6}{2} = \frac{2r}{2} \\ r = 3$

$area = \pi {r}^{2} \\ = \pi \times 3 \times 3 \\ = 28.26 {cm}^{2}$

hope this helps

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