Question

find the circumference
circumference of circle whose diameter an
is 4.2 cm​

Answer 1

Here's the required answer to your question

Answer 2

Given:

• The circumference = 4.2 cm

Solution:

• Radius of the circle is 2.1 cm

Formula used here:

• Circumference = 2πr

= 2 × 22/7 × 2.1

= 2 × 22 × 0.3

= 13.2 cm

Hence:

• The required circumference of the circle is 13.2 cm.