SOLUTION: A solid cone has a circular base of diameter 10cm and a total surface area of 285cm. Find its slant height
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Question 1179312: A solid cone has a circular base of diameter 10cm and a total surface area of 285cm. Find its slant height
Found 3 solutions by amarjeeth123, MathTherapy, greenestamps:
Answer by amarjeeth123(569) (Show Source): You can put this solution on YOUR website!
Diameter of cone=10cm
Radius of cone r=Diameter/2=10/2=5cm
Total surface area=285 cm
Surface area of cone=pi*r(r+l) where l is the slant height.
Plugging in the values we get,
pi*5(5+l)=285
5+l=9.0718
l=4.0718cm
The slant height is l=4.0718 cm
Answer=4.0718 cm
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
A solid cone has a circular base of diameter 10cm and a total surface area of 285cm. Find its slant height
Correct answer:
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
total surface area = area of base plus lateral surface area
where l is the slant height.
= 13.14366 to several decimal places.
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