The curved surface area of a cone is 4070 cm² and its diameter is 70 cm. What is its slant height?
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Answer:
Slant Height = 37 cm
Step-by-step explanation:
curved surface area of a cone = π r L
r = Radius = Diameter/2 = 70/2 = 35 cm
L = Slant Height
curved surface area of a cone = 4070 cm²
π = 22/7
π r L = 4070
=> (22/7) * 35 * L = 4070
=> 110 * L = 4070
=> 11 L = 407
=> L = 37
Slant Height = 37 cm
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