A solid cone of base radius 4 cm has a curved surface area of 100 cm^2. Find the slant height of the cone.
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Answer: 7.96
Step-by-step explanation:
formula for curved surface area of cone= πrl
Given:
curved surface area of cone = 100 cm^-2
base radius of cone = 4cm
Process:
πrl= 100
use π as 3.14
3.14*4*l=100
12.56*l=100
l=100/12.56
l=7.961
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