4. Find each angle of a parallelogram if two consecutive angles are in the ratio
1:3
5. The perimeter of a parallelogram

1 thought on “4. Find each angle of a parallelogram if two consecutive angles are in the ratio<br />1:3<br />5. The perimeter of a parallelogram”

1. Answer:

   Let the angles be ‘a’ and ‘b’

   such that a:b=1:3

   => a=x and b=3x

   acc. to linear angle property a+b=180

   => x+3x=180

   => 4x=180

   => x=180/4

   => x=45

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