Question

Using opposito angle test for parallelogram
prove that every rectangle is a parallelogram.​

Answer 1

Answer:

Given: ABCD is a rectangle.

To prove: Rectangle ABCD is a parallelogram.

Proof:

ABCD is a rectangle.

∴ ∠A ≅ ∠C = 90° [Given]

∠B ≅ ∠D = 90° [Angles of a rectangle]

∴ Rectangle ABCD is a parallelogram. [A quadrilateral is a parallelogram, if pairs of its opposite angles are congruent]

Answer 2

Answer:

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Step-by-step explanation:

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