Question

Work out the circumference of this circle.

Take pi to be 3.142 and give your answer to 1 decimal place
The radius is 4cm

Answer 1

25.1

Explanation:

Answer 2

Formula for circumference of circle:
C=2πr
here radius, r=4 cm and π=3.142
Put values in formula.
C=2(3.142)(4)
C=25.1 cm (Rounded to 1 decimal place)

Answer: Circumference of the circle is 25.1 cm (Rounded to 1 decimal place)