The perimeter of the rectangle below is 128 units. Find the length of side VW .

Mathematics

2 answers:

Morgarella [4.7K]4 years ago

8 0

I hope this helps you

Perimeter=2 (length +widht )

128=2 (2y+3+3y+1)

64=5y+4

5y=60

y=12

VW=3y+1=3.12+1=37

crimeas [40]4 years ago

4 0

First we write equation for perimeter of rectangle. Why? because we have been given that it is 128 units and maybe we can calculate something from it.

P = 2a + 2b where
a = 2(3y + 1 ) and b = 2(2y +3)
P = 6y + 2 + 4y + 6 = 10y + 8 = 128
now we can solve for y
10y = 120
y = 12

Now we just express value of y in formula for finding lenght of VW and we got length

Answer is 37

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