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Print out these worksheets on circles. Practice naming circles and calculating circumference, radius, diameter, and area of a circle. The diameter of each circle is shown. Students must calculate the circumference, or the distance around the circle. The radius of each circle is drawn.
Circle - Area Answer Key Radius/Diameter Di!cult: S1 Find the area of each circle. Round the answer to two decimal places. ( use " = 3.14 ) 7) If the radius is 3.82 ft, what will be the area of the circle? 8) What is the area of the circle with a diameter of 19.74 in?
Find the area of the following circles for the given diameters: (Give your answer in terms of ) Diagram Work Space
Area = 15386 in Area = 7539.1 ft Area = 1519.8 cm Circle - Area Answer Key Radius Moderate: S2 29 cm 41 m 63 in 33 ft 38 cm 55 m 70 in 49 ft 22 cm Example : 30 ft Find the area of each circle. Round the answer to tenth decimal place. ( use ! = 3.14 ) Area of a circle = !r Radius (r) = 30 ft Area = !r"
2 maj 2018 · 1) The document discusses the key terms related to circles - radius, diameter, circumference, and area. It provides definitions and formulas for calculating each. 2) Examples are given to demonstrate calculating the radius given the diameter, and vice versa.
Circle - Area Answer Key Diameter Di!cult: S2 10.5 ft 13 in 8.5 cm 19 m 35 ft 15.5 cm 17.5 in Example : 5.5 ft Find the area of each circle. Round the answer to two decimal places. ( use " = 3.14 ) Area of a circle = !r Diameter = 5.5 ft Area = "r# = 3.14 x 2.75 x 2.75 Area = 23.75 ft Radius (r) = 2.75 ft
Find the exact circumference of each circle. 18 cm 13 m 11 m t t 14 in 6 cm Example : 7 cm Circumference of a circle = 2!r Radius (r) = 7 cm Circumference = 2!r = 2 x ! x 7 Circumference = 14! cm 20 in 5 in.
