volume formula use here is wrong (Question: 259955.0 )

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Manoj Sigar

· started a discussion

· 1 Months ago

volume formula use here is wrong (Question: 259955.0 )

volume = 1/3*(area of base)*(height)

Question:

Find the total surface area of a prism which is based on a triangle in which perimeter is 45 cm and in-radius 9 cm, its volume is 810 ${c m}^{3}$

Options:

405 ${c m}^{3}$

585 ${c m}^{3}$

616 ${c m}^{3}$

468 ${c m}^{3}$

Solution:

Ans: (b)

shyam ji Mishra

· commented

· 1 Months ago

this formula is for pyramid not prism

Greta

· commented

· 1 Months ago

the formula used is right. It is mentioned prism, and not a pyramid. Your formula applies to pyramid

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volume formula use here is wrong (Question: 259955.0 )

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