Question

work out the circumference of a circle with diameter 1.8 cm take pi to be 3.142 and give your answer to 1 decimal place

Answer 1

Answer:

Step-by-step explanation:

d=1.8 cm

circumference=pi *d

=3.142*1.8

=5.6556 cm

Answer 2

The circumference of circle is 5.6 cm

Step-by-step explanation:

Diameter of circle = 1.8 cm

Radius of circle = $\frac{1.8}{2}=0.9 cm$

Circumference of circle = $2 \pi r$

$\pi = 3.142$

So,Circumference of circle = $2 \times 3.142 \times 0.9=5.6 cm$

Hence The circumference of circle is 5.6 cm

#Learn more:

Fimd the circumference for a circle pi = 3.142 diameter= 20cm

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