Question

radius of a circle is 5cm find perimeter​

Answer 1

Perimeter=Circumference of circle

Circumference=2πr=2×22/7×5=220/7=31.4cm

Answer 2

Step-by-step explanation:

circumference of circle is 2πr

so,

2×22÷7×5

=31.42cm^2

Answer 3

Step-by-step explanation:

circumference of circle is 2πr

so,

2×22÷7×5

=31.42cm^2