Question

C = 2πr (A) find the value of c when π = 3.142 and r=5 A=πr² (B) find the value of a when π = 3.142 and r=5

Answer 1

Answer:

A)C=31.42. B)78.55sq

Step-by-step explanation:

a)C=2πr

C=2×3.142×5

C=31.42

b)A=πr²

A=3.142×5×5

A=3.142×25

A=78.55sq