Math, asked by agarwalseema1, 2 months ago

3. The area of a circular plate is 154 cm . Find the
a) radius of the circle
b) circumference of the circle (use
22
7​

Answers

Answered by riyanshika22
3

Answer:

here's your answer. hope this works to you!

Attachments:
Answered by katharakan77
0

Answer:

Radius = 7cm

Circumference = 44cm

Step-by-step explanation:

  • Radius

area = πr²

154cm² = (22/7)(r²)

(154×7)/22 = r²

1078/22 = r²

49 = r²

√49 = r

7 = r

radius = 7cm

  • Circumference

Circumference = 2πr

= 2(22/7)(7)

= 308/7

= 44

Circumference = 44cm

HOPE U UNDERSTOOD...

PLS MARK ME BRAINLIEST....

Similar questions