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16-03-2020
Mathematics

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What is the volume and surface area of this pyramid?

this pyramid has a height of 10, and a length of 9, and width of 9 and a slant/lateral height of 11.

What is the volume and surface area of this pyramid this pyramid has a height of 10 and a length of 9 and width of 9 and a slantlateral height of 11 class=

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Pewang07 Pewang07

16-03-2020

It is a square based pyramid where,
Length (l)=9
Height (h)=10
Slant height (s)=11

For, volume (V) = 1/3 l^2*h
=1/3 9^2*10
=1/3 *810
=270

For, surface area = 2sl
= 2*11*9
=198

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