meredith48034 meredith48034

03-07-2020
Mathematics

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the figure below shows a rectangle ABCD having diagonals AC and DB.

the figure below shows a rectangle ABCD having diagonals AC and DB class=

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tramserran tramserran

03-07-2020

Answer: b) ΔADC ≡ ΔBCD by SAS

Step-by-step explanation:

Step 1: AD = BC SIDES are congruent

Step 2: ∠ADC ≡ ∠BCD ANGLES are congruent

Step 3: DC = DC SIDES are congruent

The proof is using Side-Angle-Side (SAS)

Look at the angles in step 2. These are the triangles you are proving congruency for: ΔADC ≡ ΔBCD

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