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21 December, 20:20

For what values of x and y is PQRS a parallelogram?

24+2

ps y+4

sr y+5

qR 2x + 3

pq 2y+2

+3
Answers (2)
  1. 21 December, 20:25
    0
    x = 1, y = 3.

    Step-by-step explanation:

    (Looks like ps = x + 4 not y + 4).

    If PQRS is a parallelogram them PQ = SR, so:

    2y + 2 = y + 5

    2y - y = 5 - 2

    y = 3.

    Also PS = QR:

    x + 4 = 2x + 3

    2x - x = 4 - 3

    x = 1.
  2. 21 December, 21:06
    0
    x=2, y=3

    Step-by-step explanation:

    PQRS is the parallelogram:

    In parallelogram Both the side are equal (parallel)

    PQ=RS

    Therfore

    2y+2=y+5

    2y+2-y-5=0

    2y-y+2-5=0

    y-3=0

    y=3

    PS=QR

    therefore

    y+4=2x+3

    y+4-2x-3=0

    substituting y=3 in the equation

    3+4-2x-3=0

    7-2x-3=0

    4-2x=0

    2x=4

    x=2

    therefore x=2, y=3
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