A semicircular grass lawn has a radius of 56 m.(a) What is the cost of – InterviewSolution

1.	A semicircular grass lawn has a radius of 56 m.(a) What is the cost of planting grass on it if it costs sh 25 per square metreto plant grass?How many flower bushes can be planted around the lawn at 4 m apart?(b)
Answer» Area of lawn = (πr^2)/2 =(22/7 * (56)^2)/2 =9856/2 =4928 m^2Cost of planting= 4928×25 =Rs 123200

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