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In this figure ABCD is a rectangle then value of x and y are ??????
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In this rectangle ABCD,
we know that in rectangle opposite sides are equal.
AB=CD
x-3y=7. (1)
AD=BC
5=x-y
x-y=5. (2)
subtract equation (2) from (1),
-2y=2
y= -1
put value of y in equation (2)
x-(-1)=5
x+1=5
x=4
x=4 and y= -1
AB=x-3y= 4-3(-1)= 4+3= 7
BC=x-y= 4-(-1)=5
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