Question

solve this question please tell correct answer​

Answer 1

Answer:

(b)

diameter = 4.2cm

radius = diameter / 2 = 4.2/2 = 2.1cm

we know,

cicumference of the circle = 2pi r

so,2 × 22/ 7 × 2.1

2 × 22 × 0.3 = 13.2cm

therefore circumference of the circle = 13.2cm.

remaining questions also u can do using the same formula.

Answer 2

Answer:

answer of your question

hope it helpful