Classifying Triangles

Front

An isosceles triangle is ______________ a right triangle.

Back

Sometimes

Front

An equilateral triangle can ___________ also be an isosceles triangle.

Back

Always

Front

If a triangle has all angles less than 90° and two equal sides, what type of triangle is it?

Back

Acute Isosceles

Front

A _________ triangle has no equal sides.

Back

scalene

Front

An isosceles triangle has at least _________ equal sides.

Back

two

Front

What is the definition of an isosceles triangle?

Back

A triangle with at least two equal sides.

Front

What is the definition of an equilateral triangle?

Back

A triangle with all three sides equal.

Front

What is the definition of a scalene triangle?

Back

A triangle with no equal sides.

Front

What is the definition of an acute triangle?

Back

A triangle with all angles less than 90°.

Front

What is the definition of an obtuse triangle?

Back

A triangle with one angle greater than 90°.