PSAT Math : How to find if acute / obtuse isosceles triangles are similar

Study concepts, example questions & explanations for PSAT Math

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Example Questions

Example Question #441 : Geometry

A triangle with two equal angles is called a(n) __________.

Possible Answers:

disjoint triangle

right triangle

equilateral triangle

Pythagoras triangle

isosceles triangle

Correct answer:

isosceles triangle


An isoceles triangle is a triangle that has at least two congruent sides (and therefore, at least two congruent angles as well).

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