Question

2. Find the area of the circle whose diameter is ………..

(a) 28 cm

(b) 10 cm

(c) 6.8 mm (Take π = 22/7)​

Answer 1

Answer:

a . 615.75cm²

b. 78.54cm²

c. 3.63×10mm²

Answer 2

Answer:

area of a circle is πr²

then ,

1. 28 cm

= πr²= 22\7×14²

area= 615.75

2. 10cm

= πr² = 22\7 × 5²

area = 78.54

3. 6.8 mm

= πr² =22\7 × 6.8

area = 3.63 x 10 mm²