Question

The diameter of a wheel is 1•4m find its circumference. ( Take pie _ 22\7

Answer 1

Step-by-step explanation:

D= 2r

1.4= 2r

r= 1.4/2= 0.7m

circumference = 2πr

= 2× 22/7 × 0.7

= 2× 22/70 × 7

= 4.4m

Answer 2

Answer:

$c= \pi \times d$

c,=22/7x1.4

=22x0.2

=4.4