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Question

Parallelogram HEAR
HE=5 cm
EA=6 cm
R=85o

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Solution

Let us consider,

Parallelogram HEAR

In which HEAR

and in which R=85

E=R (opposite angles of parallelogram are equal)

Therefore, E=85

Now,

A+R=180 (sum of co-interiors angle are 180)
Hence A=18085

Therefore, A=95

and H=A (opposite angles of parallelogram)

H=95

and HE=AR (opposite sides of parallelogram are equal and parallel)

AR=5cm

and EA=HR (opposite sides of parallelogram are equal and parallel)

Hence, HR=6cm

1087402_1050714_ans_2f47539bde2a4706bf013809947d12a1.PNG

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