4.1-4.3 Flashcard

Front

An isosceles triangle has _________ equal sides.

Back

two

Front

What is the name of a triangle with all sides equal?

Back

Equilateral

Front

What is the name of a triangle with no equal sides?

Back

Scalene

Front

In a triangle, if two sides are equal, what can we say about the angles opposite those sides?

Back

They are equal.

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

If one angle of a triangle is 90 degrees, what type of triangle is it?

Back

Right triangle

Front

What do we call the longest side of a right triangle?

Back

Hypotenuse

Front

In triangle ABC, if angle A = 50 degrees and angle B = 60 degrees, what is angle C?

Back

70 degrees

Front

What is the term for a triangle with one angle greater than 90 degrees?

Back

Obtuse triangle

Front

If two angles of a triangle are equal, what type of triangle is it?

Back

Isosceles triangle