Question

How many square meters of brick pavements must be laid out for a 4 meter wide walk around a circular flower bed 22 meters wide in diameter

Answer 1

603.2 meters

Explanation:

circle - the outside of the walk in this case. This circle has a

diameter of 22 + 8 m, therefore a radius of 15m. The inner circle

has a diameter of 22m - as given - a radius of 11m.

You subtract the area of the inner circle from that of the larger circle.

Answer 2

603.2 meters i think

Explanation: