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Which of these describes a unique polygon?

Select the correct choice.

Responses

 

A

A triangle with angles 30°, 50°, and 100°

A triangle with angles 30°, 50°, and 100°

B

A quadrilateral with each side length 5 cm

A quadrilateral with each side length 5 cm

C

A triangle with side lengths 6 cm, 7 cm, and 8 cm

A triangle with side lengths 6 cm, 7 cm, and 8 cm

D

A triangle with side lengths 4 cm and 5 cm and a 50° angle

 May 16, 2023
 #1
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The answer is A.

 May 16, 2023
 #2
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Actually the answer is C. A describes a family of similar triangles, B can be a parallelogram or a square, and D can be two different triangles.

 May 16, 2023

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