for max surface area (Question: 273490.0 )

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Rahul Verma

· started a discussion

· 1 Months ago

for max surface area (Question: 273490.0 )

for max surface area of cylinder h=2r. according to this none of the answer is correct. 2r/10=4-r/4, from this you'll get r and h and TSA can be calculated

Question:

Consider a right circular cone of base radius 4 cm and height 10 cm. A cylinder is to be placed inside the cone with one of the flat surfaces resting on the base of the cone find the largest possible total surface area of cylinder.

Options:

$\frac{100 π}{3}$

$\frac{80 π}{3}$

$\frac{120 π}{7}$

$\frac{130 π}{7}$

Solution:

Ans: (a)

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for max surface area (Question: 273490.0 )

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