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violetvinny
16.07.2019 •
Mathematics
The perimeter of a triangular lot is 60 meters. one side is 14 meters and the other side is twice the first side. find the length of the third side.
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Ответ:
x> the length of the first side
y> the length of the second side
z> the length of the third side
we know that
x+y+z=60
x=14 m
y=2x> y=2*14> y=28 m
z=60-x-y> z=60-14-28> z=18 m
the answer is
the length of the third side is 18 m
Ответ:
6, 10
9, -13
12, -21
18, -23
step-by-step explanation:
you just add 6 to the x-coordinate and subtract 10 from the y-coordinate.