Answer to Question #345158 in Geometry for Arjon

Question #345158

The circumference of the base of a right circular cone is 75 cm. Find its lateral area if the slant height is 20 cm.

Expert's answer

"L=75cm, l=20cm"

"L=2\\pi r"

"S=\\pi rl=(L\/2)l=(75\/2)20=750cm^{2}"

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