The base radius and height of a cone are 6cm and 8cm what is its slant height ? what is its surface area?
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Heya
Here goes your answer
Radius of the cone = 6cm
Height of the cone = 8cm
Slant height = √(6²+8²)
= √(36+64)
=√100
=10cm
Curved surface area = πrl = 22/7 * 6 * 10
=1320/7
=188.57cm²
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