no. 7 .......................................
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options C will be the correct answer
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b is the answer
volume of a cylinder→ πr2h
vol. of the hollow cyli.→ π(r1 )2h -π(r2)2h
= πh{(r1)2 - (r2)2}
this is in the form of a2-b2....
= π(r1+r2)(r1-r2)h
hope that helps...if so i Request u to mark it as brainliest... plzzzz.....☺☺☺
volume of a cylinder→ πr2h
vol. of the hollow cyli.→ π(r1 )2h -π(r2)2h
= πh{(r1)2 - (r2)2}
this is in the form of a2-b2....
= π(r1+r2)(r1-r2)h
hope that helps...if so i Request u to mark it as brainliest... plzzzz.....☺☺☺
alex0071:
plzz mark it as brainliest
plzz
how
on the top of these 2 answers....there it is written ....mark as brainliest... just click on it plzz
ok
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