Question

find the diameter of the circle if their areas are given below

1) 346.5sq.m


2)301.84sq.m​

Answer 1

Answer:

Here is your answer...

1. 25 cm

2. 15 cm.

Answer 2

Answer:

Maths

Find the circumference of a circle whose area is 301.84 cm

2

.

Answer

⇒ Area of circle =301.84cm

2

[ Given ]

⇒ Area of circle =πr

2

⇒ 301.84=

7

22

×r

2

⇒ r

2

=

22

301.84×7

⇒ r

2

=96.04

∴ r=9.8cm

⇒ Circumference of circle =2πr

∴ Circumference of circle =2×

7

22

×9.8=61.6cm