What is the percent increase in the area of the disk?Ī circular table has a dimeter of 100 inches. The radius of circular disk is increased by 20%. How much fencing is needed for the Robinsons circular flower garden that has an area of 5 square meters?(round your answer to the nearest meter.) What is the cost of 1 square centimeter if the diameter of the pizza is 36 cm? Find the area of the walkway (shaded part).Ī circular pizza costs $19.99. What area of the garden can this sprinkler irriguate? round your answer to the nearest square meter.Ī circular garden with a diameter of 10 meters is surrounded by a walkway of width 1 meter. Find the total area of the garden.Ī water sprinkler can spray water at a maximum distance of 12 m in all directions. Each small square has an area of 4 square meters. Mrs Parkinson's garden is made up of 4 squares and 2 semicircles as shown below.
If the diameter of the largest circle is 20 units, what is the ratio of the area of the largest circle to the area of the smallest circle? The three circles C1, C2 and C3 have their centers O1, O2 and O3 on the line L and are all tangent at the same point. Also solutions and explanations are included. These problems and questions deal with calculating circumference and area of circles. Grade 8 Problems and Questions on Circles with Answers Grade 8 Problems and Questions on Circles with AnswersĬircle problems and questions with answers for grade 8 are presented.
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