Question

find the radius of each of the wheel that covers following distance in 1 revolution
(1) 66 cm
(2) 176 cm
(3)242 cm​

Answer 1

Answer:

SEE DOWN

Step-by-step explanation:

Question 1:

The circumference of a circle is 39.6 cm. Find its area.

ANSWER:

Circumference = 39.6 cm

We know:

Circumference of a circle = 2πr

⇒39.6 =2×

22

7

×r⇒

39.6×7

2×22

=r⇒r=6.3 cm

Also,

Area of the circle = πr2

=

22

7

×6.3×6.3=124.74 cm2