Question

19. Find x and y in the given figure if RUNS is a parallelogram.
s
N
20
y+7
16 x
R
U
20 Find the least number which must be subtracted from 1989 to get a perfect square n​

Answer 1

Answer:

Diagonals of a parallelogram bisects each other.

So, from the figure

16=x+y; …(1)

20=y+7 …(2)

y=20−7=13

y=13.

substitute in (1)

16=13+y

x=3

∴ x=3,y=13

Step-by-step explanation:

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