If the area of a rectangular plot is 154 sq.m and its length is 16m. Find the breadth of the plot and the cost of fencing it at the rate of Rs 17 per metre.
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area of the rectangular garden = 154m²
given length = 16 m
let the breath be b
so 16 * b = 154
=>b = 154/16 = 77/8 cm
perimeter of the garden
= 2 ( 16 + 77/8)m.
so cost of fencing =
17 * 2 ( 16 + 77/8) rs
= 34 * (128+77)/8 rs
= 17*(205)/4 rs
= 3485/4 = 871.25 rs
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given length = 16 m
let the breath be b
so 16 * b = 154
=>b = 154/16 = 77/8 cm
perimeter of the garden
= 2 ( 16 + 77/8)m.
so cost of fencing =
17 * 2 ( 16 + 77/8) rs
= 34 * (128+77)/8 rs
= 17*(205)/4 rs
= 3485/4 = 871.25 rs
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RudraanshSingh:
correct
correct answer
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