Question

the length of a rectangle is 6 m less than three times it breadth. the dimension of the rectangle , if it's perimeter is 148 m , are

Answer 1

lets take length as 'x'
lets take breadth as '3x-6'

perimeter = 2×(l+b)

P(perimeter) = 2×(3x-6)+x)
148 = 2×(4x-6)
148 =8x-12
148+12 =8x(-12+12)
136 =8x
136÷8 =x
17 = x
so length is 3×17-6 =45m
breadth is x= 17

Answer 2

Answer:

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Length= 45m

Breadth=16m