Mkjohnson0314idn
Answered

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The plan for a city park shows that the park is a quadrilateral with straight paths along the diagonals. For what values of the variables is the park a parallelogram? In this case, what are the lengths of the paths?

The Plan For A City Park Shows That The Park Is A Quadrilateral With Straight Paths Along The Diagonals For What Values Of The Variables Is The Park A Parallelo class=

Sagot :

Mhanifaidn

Answer:

  • x = 10, y = 15
  • RT = 210 m, US = 396 m

Step-by-step explanation:

Diagonals of parallelogram bisect each other;

  • UV = VS and
  • RV = VT

Substitute values:

11y + 33 = 14y - 12 ⇒ 14y - 11y = 33+12 ⇒ 3y = 45 ⇒ y = 15

  • US = 2(11*15+33) = 396 m

3x + 5y = 6x + 3y ⇒ 6x - 3x = 5y - 3y ⇒ 3x = 2y ⇒ 3x = 30 ⇒ x = 10

  • RT = 2(3*10 + 5*15) = 210 m
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