Question

Find the circumference of a circle whose diameter is 2.8 cm.

Answer 1

Answer:

Step-by-step explanation:

GIVEN

We are given a circle of diameter 2.8cm

The radius would be = 2.8/2 = 1.4cm

R= 1.4cm

TO FIND

We need to find Circumference of the circle

C = 2 x pi x R

SOLUTION

c = 2 x pi x R

==> C = 2 x pi x 1.4

==> C = 2.8 x 22/7

==> C = 8.8 cm

Answer 2

Answer:

8.8cm

Step-by-step explanation:

diameter = 2.8cm

radius = 1.4cm

circumference = $2\pi r$

$2*\frac{22}{7}*1.4\\\\\\2*22*0.2\\\\8.8cm$

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