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Triangle ABC has the following properties: Angle A measures 120°; AB ≅ AC. What is the classification of triangle ABC by angles and sides? a. right isosceles b. obtuse scalene c. obtuse isosceles d. acute
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Triangle ABC has the following properties: Angle A measures 120°; AB ≅ AC. What is the classification of triangle ABC by angles and sides?

a. right isosceles
b. obtuse scalene
c. obtuse isosceles
d. acute scalene

User Gianlucca
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1 Answer

1 vote
The answer is C <<<=====
It can't be anything else. It is not a right angle. A>90
It can't be acute because one angle is greater than 90.
It can't scalene because at least 2 of the angles (and 2 sides) are equal.
User Cedivad
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