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The radius of sphere is 2r …

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The radius of sphere is 2r then find its volume

Posted by Bhagyashree Choudhary 4 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Parinav Priyadarshi 4 years, 8 months ago

easy way for finding the squar of two digit no.- take any no. e.g. 24 square of 24=(24)^2 step 1- square of 2=4 step 2- square of 4=16 step 3- so 24 written as 416 because square of 2=4 & square of 4=16 step 5- we add 416 with 2×4×2 because of (24)^2 this is differ from real addition 2×4×2=16 416 +16 _________ 576

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CBSE > Class 09 > Mathematics