Question

Distance covered by minute hand in 1 hr is 94.20 cm. 1. Find the circumference of the circle whose radius is: a)21 cm (b) 35 cm (c) 63 m (d) 49m Find a​

Answer 1

Answer:

here is your answer

as we have to find --

Find the circumference of the circle whose radius is: a)21 cm

as we know the circumference of a circle is

$2\pi \: r$

so by applying formula..

we get

2×22/7×21×21

or 44 ×3×21

= 2772

ans

I HOPE YOU UNDERSTOOD