Sum and difference of a rectangle is 18cm and 2cm respectively,find it's dimensions.
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let the dimensions be x & y
x+y=18..........................(1)
x-y=2............................(2)
adding (1)&(2)
2x=20
x=20/2
x=10
substitute x=10
y=8
Therefore the dimeneions of rectangle are 10cm&8cm
x+y=18..........................(1)
x-y=2............................(2)
adding (1)&(2)
2x=20
x=20/2
x=10
substitute x=10
y=8
Therefore the dimeneions of rectangle are 10cm&8cm
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