the ratio of length of a field to its width is 7:4 find its width if its perameter is 88
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Answered by
9
Let the length and width be 7a and 4a respectively
Perimeter = 2 (7a + 4a)
=> 88 = 2 × 11a
=> 22a = 88
=> a = 4
Length = 7 × 4 = 28 cm
Width = 4 × 4 = 16 cm
Perimeter = 2 (7a + 4a)
=> 88 = 2 × 11a
=> 22a = 88
=> a = 4
Length = 7 × 4 = 28 cm
Width = 4 × 4 = 16 cm
Answered by
0
88=2(l+b)
88=2(7+4)x
88=2(11x)
88÷22=x
4=x
l=7×4
b=4×4
88=2(7+4)x
88=2(11x)
88÷22=x
4=x
l=7×4
b=4×4
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