Question

find the circumference of the inner and the outer circles, shown in the adjoining figure0?(Takeπ=3.14)​

Answer 1

Answer:

77

Step-by-step explanation:

Answer 2

Solution :-

Radius of inner circle = outer circle radius

$= 19 - 10$

$= 9$

Circumference of inner circle = 2πr

$= 2 \times 3.14 \times 9$

$= 56.52 \: m$

Radius of outer circle = 19 m

$2 \times 3.14 \times 19$

$= 119.32 \: m$