find the perimeter of the rectangle whose length is 60 cm and diagonal is 61 CM
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Answered by
8
60×60-61×61=side 2
3721-3600=121=11 cm
Perimeter=2×60+2×11=120+22=142 cm
Answered by
15
length = 60 cm
diagonal = 61 cm
by pyth thm
let the breadth be x
(x)sq +(60)sq = (61) sq
3721-3600= (x) sq
121=(x) sq
x = 11 cm
perimeter = 2(l+b)
= 2 X (60+11)
= 2 X 71
= 142cm
diagonal = 61 cm
by pyth thm
let the breadth be x
(x)sq +(60)sq = (61) sq
3721-3600= (x) sq
121=(x) sq
x = 11 cm
perimeter = 2(l+b)
= 2 X (60+11)
= 2 X 71
= 142cm
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