the circumfrence of a circle is 42.7m .Find diameter and area
Answers
Answered by
4
Answer:
solution,
circumfrence of a circle (p) = 42.7m
from formula of circumfrence of a circle,
p = 2πr
or, 42.7 = 2 × 3.14 ×r
or, 42.7/6.28 = r
∴ r = 6.80m
area of the circle (A) = 2πr²
= 2× 3.14 × 6.80² = 290.36m²
as we know,
diameter of the circle(d) = 2r = 2×6.80 = 13.60m
Similar questions