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Yuliya22 [10]
3 years ago
9

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

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Answer:  b) ΔADC ≡ ΔBCD by SAS

<u>Step-by-step explanation:</u>

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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