Question

The diameter of a circular metallic sheet is 2.1 m. Find out its circumference and area.​

Answer 1

Answer:

13.8

Step-by-step explanation:

circumference = 2 \piπ r

= 2 x 22 / 7 x 2.1

= 13.2 cm

area of the circle = \piπ r^2

= 22/7 x 2.1 x 2.1

=13.86 cm^2