If the total surface area of a cone is 594 cm and its slant height is 20 cm, find the
radius of it's circular base.
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Answer:
hope it will help you
Step-by-step explanation:
Solve for radius
r≈7cm
l Slant height
20
cm
A Surface area
594
cm²
Using the formula
A=πrl+πr2
Solving forr
r=1
2l2+4A
π﹣l
2=1
2·202+4·594
π﹣20
2≈7.00224cm
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