Question

construct a parallelogram ABCD such that bc=8cm Ab=4cm and measure of angle ABC=60​

Answer 1

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Answer 2

Answer:

QUESTION

construct a parallelogram ABCD such that bc=8cm Ab=4cm and measure of angle ABC=60

ANSWER

⇒ Draw a line segment AB = 6cm.

⇒ Construct an angle of 60∘ at point B.

⇒ Cut off BC = 4cm.

⇒ We know that adjacent angles of parallelogram are supplementary then, construct an angle of 120 ∘ at point A and C which meet at point D.

⇒ Thus, ABCD is a required parallelogram.

⇒ Let AB=a=6cm and BC=b=4cm --- ( 1 )

⇒ Perimeter of parallelogram ABCD=2(a+b)

⇒ 2(6+4) [From( 1 )]

∴ Perimeter of parallelogram ABCD=20cm.