Question

Triangle DEF has one angle that measures 90∘. What are all the possible types of DEF? Select all that apply.

Answer 1

Answer:

right

Step-by-step explanation:

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Answer 2

Answer:

The options that apply are: "right", "scalene" and "isosceles".

• It's right because one angle measures 90°.

• It can be isosceles because it can have a 90° angle and 2 of the 3 sides can have the same length.

• It can be scalene because the triangle can have a 90° and its sides can have different lengths.

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• Can't be an acute triangle because an acute triangle's angles are all less than 90°.