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NITESH

· started a discussion

· 1 Months ago

120???

Question:

ABCD is a parallelogram with ABC = 60º. If the longer diagonal is of length 7 cm and the area of the parallelogram is  1532    cm2, then the perimeter of the parallelogram (in cm) is :

Options:
A)

14 cm

B)

15 cm

C)

16 cm

D)

18 cm

Solution:

Ans: (c)

  

Pranay SB

· commented

· 1 Months ago

Sorry adjacent angles

Pranay SB

· commented

· 1 Months ago

Sum of opposite angles=180

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