Types of triangles by angles

Front

What is a triangle classified by angles?

Back

A triangle can be classified as acute, right, or obtuse based on its angles.

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 a right triangle?

Back

A right triangle is a triangle that has one angle equal to 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 an isosceles triangle?

Back

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

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle where all three sides are of equal length and all angles are 60 degrees.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle where all three sides and all three angles are different.

Front

Can a triangle be both obtuse and isosceles?

Back

Yes, a triangle can be both obtuse and isosceles if it has two equal sides and one angle greater than 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

How can you identify a right triangle?

Back

A right triangle can be identified by the presence of one 90-degree angle.