Question

measuring
the total area enclosed.
A road 10 m wide surrounds a circular park whose perimeter is 352 m. Find the area of
the road.
A wire is in a circular shape of radius 49 cm. It is bent into the shane of a square
Find​

Answer 1

Explanation:

⇒ =352

∴ 2π=352

⇒ 2×

7

22

×=325

⇒ =

2×22

352×7

=56

∴ =56

⇒ =π

2

⇒ =

7

22

×56×56=9856

2

⇒ =7 []

∴ =π(+)

2

⇒ =

7

22

×(56+7)

2

2

⇒ =

7

22

×63×63=12474

2

⇒ = -

⇒ =12474

2

−9856

2

=2618

2