Question

The measure of two adjecent angles of a parallelogram are in ratio 5:4. then the adjecent angles are

2 points

100 and 90

110 and 70 degrees

120 and 60 degrees

none of these​

Answer 1

Answer:

(d)none of these

5:4

5x+4x=180. adjacent angles of parallelograms are supplymentary angles

9x=180

=>X=180/9

=>X=20

5x=5×20

=100

4x=4×20

=80

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