Question

find the area of a circle whose circumference is 30cm.( Hint : area of circle​

Answer 1

area of circle will be 71.62 cm square

Answer 2

Answer:

2×22/7×r=30

44/7×r=30

r=30×7/43

r=15×7/22

r=105/22

area=22/7×105/22×105/22

=15×105/22

=71.59