The area of a circle is 42.71m2. Find the length of the diameter rounded to 1 DP. PLEASE IM BEGGING ANSWER THIS ASAP

Question

asked Oct 3, 2023 224k views

2 Answers

Wormhit · Answer 1 · 2023-10-04T14:37:41+0000

Answer:

7.4 meters

Explanation:

Solve for the radius:

$A=\pi r^2$

$42.71=\pi r^2$

$(42.71)/(\pi)=r^2$

$\sqrt{(42.71)/(\pi)}=r$

Solve for the diameter:

d=2r

$d=2\sqrt{(42.71)/(\pi)}$

$d\approx7.4$

Therefore, the diameter of the circle is about 7.4 meters