Asked by Bashir Abdi
Arectangular lawn measuring 8m by 12m is surrounded by apaved path of constant width-w metres.The area of the path is 23m^2. Form aquadratic equation that must be satisfied by width and hence find the width of the path?
Answers
Answered by
Reiny
with of the whole garden = 8 + 2w
length of the whole garden = 12 + 2w
area of the whole thing = (8+2w)(12+2w)
area of the path = whole thing - area of lawn = 23
(8+2w)(12+2w) - (8)(12) = 23
expand, simplify and solve for w
length of the whole garden = 12 + 2w
area of the whole thing = (8+2w)(12+2w)
area of the path = whole thing - area of lawn = 23
(8+2w)(12+2w) - (8)(12) = 23
expand, simplify and solve for w
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