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Ad libitum [116K]
2 years ago
15

The perimeter of the rectangle below is 84 units. Find the length of side VW.

Mathematics
1 answer:
Anestetic [448]2 years ago
8 0

Answer:

18.

Step-by-step explanation:

1) formula of the perimeter given in the condition is:

p=2(VW+XV) or p=2(VY+XY).

Note, VW=XY and XV=VY;

2) if to substitute p=84, VW=2z+2 and XV=3z into the formula above, then

2(2z+2+3z)=84, ⇔ 5z+2=42; ⇒ z=8.

3) if z=8, then VW=2z+2=2*8+2=18.

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