Question

6. Find the area and perimeter of a circle whose
(i) radius = 14 cm (ii) diameter = 21 cm.
​

Answer 1

Answer:

perimeter of circle = 2Πr

2×3/14×14

6 answer

Answer 2

Answer:

Radius of a semicircle, r=14cm

Perimeter of a semicircle, P=(π+2)r units

∴P=(722+2)×14

=(722+14)×14=736×14=72

Perimeter of the semicircle = 72 cm.

Area of a semicircle, A=2πr2 sq. units

∴A=722×214×14=308cm2.

bhai apka or mera book same hai kon se school mai padhte ho app please bato bhai