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CBSE Class 6 Answered

Find the length of the side of the following squares, given the area
A -  Area = 225sq m           B Area = 81 sq m
Asked by ameetjain75 | 10 Mar, 2017, 08:26: AM
answered-by-expert Expert Answer
begin mathsize 16px style Area space of space the space square space equals 225 space sq. space straight m We space know space that comma space area space of space the space square space equals left parenthesis side right parenthesis squared rightwards double arrow 225 space equals left parenthesis side right parenthesis squared rightwards double arrow left parenthesis side right parenthesis squared space equals space 225 Taking space square space root space on space both space sides comma space we space get side space equals space square root of 225 rightwards double arrow side space equals space square root of 3 cross times 3 cross times 5 cross times 5 end root rightwards double arrow side space equals 3 cross times 5 rightwards double arrow side space equals 15 space straight m Area space of space the space square space equals 81 space sq. space straight m We space know space that comma space area space of space the space square space equals left parenthesis side right parenthesis squared rightwards double arrow 81 space equals left parenthesis side right parenthesis squared rightwards double arrow left parenthesis side right parenthesis squared space equals space 81 Taking space square space root space on space both space sides comma space we space get side space equals space square root of 81 rightwards double arrow side space equals space 3 cross times 3 rightwards double arrow side space equals 9 space straight m end style
Answered by Rebecca Fernandes | 10 Mar, 2017, 08:43: AM

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