Classifyng Triangles

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle greater than 90 degrees.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle equal to 90 degrees.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle where all three sides are of different lengths.

Front

How can you identify an acute triangle?

Back

An acute triangle can be identified by measuring its angles; all angles must be less than 90 degrees.

Front

How can you identify an obtuse triangle?

Back

An obtuse triangle can be identified by measuring its angles; it must have one angle greater than 90 degrees.

Front

How can you identify a right triangle?

Back

A right triangle can be identified by measuring its angles; it must have one angle equal to 90 degrees.

Front

What is the sum of the angles in any triangle?

Back

The sum of the angles in any triangle is always 180 degrees.

Front

What is a right isosceles triangle?

Back

A right isosceles triangle is a triangle that has a right angle and two sides of equal length.