Question

The length of diameter of a circle is 2.8cm find the circumference of circle

Answer 1

therefore d= 2.8 so r= 1.4

2×π×1.4 as circumference of circle is 2πr

8.7964594301 ans

Answer 2

Answer:

Diameter=2.8cm

Radius=1.4cm

Therefore Circumference=2πr=2×22/7×1.4=4.4cm