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Sum of all angles of rectangle is 180
One angle is of 90
Let x be the commen multiple
Thus,
x=3x and y=7x
This,
180=90+3x+7x
180-90=10x
90=10x
x=90/10
x=9
thus,
x=3x=3×10=30 and
y=7x=7×10=70
One angle is of 90
Let x be the commen multiple
Thus,
x=3x and y=7x
This,
180=90+3x+7x
180-90=10x
90=10x
x=90/10
x=9
thus,
x=3x=3×10=30 and
y=7x=7×10=70
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From the diagram it is clear that x+y+90=180
x+y=90--------->1
Given X/y=3/7 i.e., x=3y/7
on substituting in 1 we get (3y/7)+y=90 i.e., y=63
and x = 3y/7 = 3*63/7 = 27
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