A obtuse angle of a parallelogram is twice its acute angle. Each angle of the parallelogram will be.

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22 Mar 2013 parallelogram

A obtuse angle of a parallelogram is twice its acute angle. Each angle of the parallelogram will be...

OPtion

1) 30, 150, 30, 150
2) 30, 60, 30, 60
3) 25, 155, 25, 155
4) 50, 100, 50, 100
5) 120, 240, 120, 240
6) 30, 60, 30 60
7) 60, 120, 60, 120
8) 75, 150, 75, 150
9) 45, 90, 45, 90
10) None of these

Solution

in a parallelogram opposite side are parallel
there for sum of interior angle is 180
and sum of all angle 360
by the given condition
x+2x= 180 (let acute angle be x)
3x=180
x=60
therefore 60, 120, 60, 120
option no 7

Correct Option: 7 Best Solution (0)