7.3.C.18 - More Problems on Area and Circumference - Exit Ticket

Last updated about 4 years ago

2 questions

Ken’s landscape gardening business creates odd-shaped lawns that include semicircles.Find the area of this semicircular section of the lawn in this design.

7.G.4

In the figure below, Ken’s company has placed sprinkler heads at the center of the two small semicircles. The radius of the sprinklers is 5 ft. If the area in the larger semicircular area is the shape of the entire lawn, how much of the lawn will not be watered?Give your answer in terms of π and to the nearest tenth. Explain your thinking.

7.G.4

From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 3, Topic C, Lesson 18. Internet. Available from https://www.engageny.org/resource/grade-7-mathJmat...; accessed 06/Oct/2015.