Question: 1) The diagram below shows a lawn, which is rectangular with semi-circular ends, each of radius 8 m. A circular rose bed, with diameter 6

1) The diagram below shows a lawn, which is rectangular with semi-circular ends, each of radius 8 m. A circular rose bed, with diameter 6 m has been planted in the middle of the lawn. Calculate

(a) The area of the turfed lawn.

(b) The outer perimeter of the lawn (indicated in red).

8m 6 m 4 m

2) Both of the diagrams (a) and (b) below involve quadrants of a circle. For both diagrams, calculate the shaded area.

(a) 7cm 7cm Figure R (b) 4cm Figure S

8m 6 m 4 m

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