Question

.
If an angle of a parsellelogram
parrallelogress is two-third of
its adjecent angle, find the angles of the parrallelogram.​

Answer 1

Answer:

Given that, if an angle of a parallelogram is two-third of its adjacent angle, we have to find the angles of the parallelogram. Solution: ... Hence, the adjacent angles of a parallelogram are 72° and 108°

Answer 2

Answer:

In a parallelogram ABCD,

Let ∠A be x and ∠B be 2x / 3

∴ ∠A + ∠B = 180°

⇒ x + 2x / 3 = 180°

⇒ 5x / 3 = 180°

⇒ x° = 180° × 3 / 5 =108°

∠A = 108° ,

∠B = 2 / 3 × 108° = 72°

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