Name that Triangle

Front

Classify this triangle by its angles: A triangle with all angles less than 90°.

Back

Acute Triangle

Front

Classify this triangle by its angles: A triangle with one angle exactly 90°.

Back

Right Triangle

Front

Classify this triangle by its angles: A triangle with one angle greater than 90°.

Back

Obtuse Triangle

Front

An obtuse triangle has one angle that measures _____________ 90°.

Back

more than

Front

An isosceles triangle has _________ equal sides.

Back

two

Front

Classify the triangle by angles and sides: A triangle with one right angle and two equal sides.

Back

Right Isosceles

Front

Classify the triangle by angles and sides: A triangle with all sides of different lengths and one right angle.

Back

Right Scalene

Front

Classify the triangle by angles and sides: A triangle with all angles less than 90° and all sides of different lengths.

Back

Acute Scalene

Front

Classify the triangle by angles and sides: A triangle with all angles less than 90° and two equal sides.

Back

Acute Isosceles

Front

What is the sum of the angles in any triangle?

Back

180°