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Question

In △ABC and △MNO, ∠A = 80°, ∠B = 30°, AB = 7 cm, ∠M = 80°, MN = 7 cm, ∠O = 30°. By which criteria are the triangles congruent?

A
SSS
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B
SAS
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C
AAA
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D
ASA
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Solution

The correct option is D ASA
In △ABC and △MNO,
∠A = 80° = ∠M
∠B = 30° = ∠O
AB = 7 cm = MN
Two triangles and equal and one side length is equal.
We can show △ABC and △MNO are congruent by ASA criteria.

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