Question

What type of special right triangle can an isosceles triangle be?

a.30°-60°-90°
b.45°-45°-90°
c.both a 30°-60°-90° and a 45°-45°-90°
d.none

Answer 1

Answer: B. 45-45-90

Explanation:

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Answer 2

In an isosceles, two angles have the same measure so it definitely can't be A because none have the same measures. B is right because two angles have a measure of 45 degrees and one has 90.

So B is the correct answer.