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Tanzania [10]
3 years ago
11

Rectangles A and B have the same perimeter but are different shapes Rectangle S is 5 inches long and 3 inches wide. Rectangle B

is 6 inches longer than it is wide. What are the lenght and width of Rectangle B ?
Mathematics
1 answer:
koban [17]3 years ago
4 0
We know that
perimeter rectangle A=2*[5+3]-----> 16 in

let
x------> length side rectangle B
y-------> width  side rectangle B
so
x=6+y-------> equation 1
16=2[x+y]------> equation 2
<span>I substitute 1 in 2
</span>16=2*[6+y+y]-------> 16=2*[6+2y]-----> 16=12+4y-----> 4y=16-12
y=4/4--------> y=1 in
x=6+1---->x=7 in

the answer is
the dimensions of rectangle B are
length side is 7 in
width  side is 1 in

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