Question

Work out the circumference of this circle give your answer in terms of pi and state it’s units the diameter is 14cm

Answer 1

Answer:14pi and 43.98 (2dp)

Step-by-step explanation:

circumference =2xpixr

radius = 14 divide by2 =7

2x pi x 7=14pi

14pi =43.98229715

=43.98 (2dp)

Answer 2

Circumference of the circle in terms of π is given by 14π cm.

How to calculate circumference of the circle?

The circumference of the circle can be calculated by 2π times of the radius of the circle or π times of the diameter of the circle.

C =πd=2πr

where r is the radius, d is the diameter, C is the circumference of the circle.

So according to asked question,

diameter of the circle is given by=d=14cm

Circumference of the circle=C

= πd

=π*14

=14π cm =43.98cm

Therefore circumference of the circle in term of π is given by 14π cm.

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