Question

Work out the area of this circle.
Take it to be 3.142 and write down all the digits given by your calculator.
21 cm

Answer 1

Answer:

If the 21 cm is circumference, the answer would be 35.09.

If the 21 cm is radius, the answer would be 1385.44.

If the 21 cm is diameter, the answer would be 346.36.