Question

Find perimeter whose side is 5cm 13m 21mm

Answer 1

Hey mate here is your answer.

1St side= 20cm=20/100= 0.2m

2nd side=13m

3rd side=21mm= 21/1000= 0.021m

Therefore required perimeter= 0.2+13+0.021

=13.221m

Hope this helps you out