Math, asked by jha20111, 1 year ago

7 and10 please solve it it's urgent please solve

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Answered by Anonymous

7th
external volume
15*12*9=1620cm3
internal length =15-2*0.8=13.4
internal breadth =12-2*0.8=10.4
internal height =9-2*0.8=7.4
internal volume =1031.264
volume of wood used =1620-1031.264=588.736cm3

jha20111: Please solve 10 also

Anonymous: hmmm

Anonymous: ok

Anonymous: find the curved surface area and area of base add to get the area of sheet needed

Anonymous: for volume use the formula pie*radius squared * height

jha20111: Please you solve and send

jha20111: Please solve

Anonymous: hey see in the chats okkk

Anonymous: I am doing there

Anonymous: I can't answer here once again

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