Introduction to Circles Answers

Andy wants to build a circular concrete patio in his backyard and install a jungle gym on top of it. One 80-lb bag of concrete will be enough for 2 square feet. If he wants the diameter of the patio to be 10 ft, how many bags of concrete will he need to purchase?

Analyze the diagram below and complete the instructions that follow.Find the circumference of . Leave your answer in terms of . A. B. C. D. Please select the best answer from the choices provided

Analyze the diagram below and complete the instructions that follow.The circumference of one of the smaller circles is . Find the circumference of the larger circle. A. B. C. D. Please select the best answer from the choices provided

Analyze the diagram below and answer the question that follows.In the circles shown above, and . Which shaded region has a larger area?

Analyze the image below and complete the instructions that follow. Photo by James CappKenny likes to count his money by tiling it on his table as shown. The diameter of a quarter is 24.26 mm. Find the area of the table not covered in quarters. Round your answer to the nearest hundredth.

Analyze the image below and answer the question that follows. Photo by Beatrice MurchAn inchworm ran into a log while on his way to the raspberry patch. The diameter of the log is 32 cm. How far did the inchworm travel while on the log? Round your answer to the nearest centimeter.

Find the circumference of a circle whose area is . A. B. C. D. Please select the best answer from the choices provided

Analyze the diagram below and complete the instructions that follow.The area of one of the smaller circles is 8 in². Find the area of the shaded region.