#5.4 Equilateral and Isosceles Triangles

Front

A triangle with at least 2 congruent sides is called...

Back

Isosceles

Front

The two congruent sides of an isosceles triangle are called the...

Back

legs

Front

In an isosceles triangle, the angle opposite the base is called the...

Back

vertex angle

Front

The sum of the interior angles of any triangle is...

Back

180 degrees

Front

If two angles of a triangle are equal, the sides opposite those angles are...

Back

congruent

Front

In an equilateral triangle, each angle measures...

Back

60 degrees

Front

A triangle with all sides of different lengths is called...

Back

Scalene

Front

The longest side of a right triangle is called the...

Back

hypotenuse

Front

In an isosceles triangle, the base angles are...

Back

congruent

Front

If the lengths of the two legs of an isosceles triangle are 5 cm each, what is the minimum length of the base?

Back

0 cm (the base can be very small but not negative)