Question

if the cercumference of a triangle is 154 CM. find it's radius . also find the area of sheet ​

Answer 1

Answer:

Circumference2πr=154cm

⇒r=

2×

7

22

154

=

2×22

154×7

=24.5cm

Area of the circleπr

2

=

7

22

×24.5×24.5=1886.50m

2

Answer 2

firstly it should be circle if you are talking about circumference

154=2πr

154=2x22/7xr

154=44r/7

r=154x7/44

r=24.5cm

area=πr²

area=22/7x24.5x24.5

area=1886.5cm²