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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
8.13 Problems on Parallelogram - I

  • Example:
    Two adjacent angles of a parallelogram are in the ratio 3:2. Find the angles.

    Solution:
    The sum of the adjacent angles of a parallelogram is equal to 180.
    If these angles are in the ratio 3:2, then they can be written as (3/5) * 180 and
    (2/5) * 180 respectively.
    That is 108 and 72 respectively.
    \ the angles of a parallelogram are 108, 72, 108 and 72.



Directions: Read the above example carefully and answer the following questions:
  • Two adjacent angles of a parallelogram are in the ratio 3:5. Find the angles and draw the parallelogram with sides 16 cm and 10 cm.


Q 1: Two adjacent angles of a parallelogram are in the ratio 2:3. Find the angles in the parallelogram.
40, 140, 40 and 140 degrees respectively.
80, 100, 80 and 100 degrees respectively.
60, 120, 60 and 120 degrees respectively.
72, 108, 72 and 108 degrees respectively.

Q 2: Two adjacent angles of a parallelogram are in the ratio 4:5. Find the angles in the parallelogram.
72, 108, 72 and 108 degrees respectively
80, 100, 80 and 100 degrees respectively.
40, 140, 40 and 140 degrees respectively.
60, 120, 60 and 120 degrees respectively.

Question 3: This question is available to subscribers only!

Question 4: This question is available to subscribers only!


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