Question

The Area of a circle is 394.24 sq cm find the diameter.​

Answer 1

Step-by-step explanation:

Diameter=2r=2×11. 2‬=22. 4‬cm.

Answer 2

Step-by-step explanation:

Area of a circleπr²

⇒πr²

=394.24sq.cm

⇒22/7 x r² 394.24sq.cm

⇒r² = 394.24 x 7/22 56cm

⇒r = √125.44‬ = 11.2cm

∴ Diameter=2r=2×11.2‬=22.4‬cm.