Classifying Triangles

What is the sum of the angles in any triangle?

• 150 degrees

• 180 degrees

• 90 degrees

• 360 degrees

What is a right triangle?

• A triangle with all angles measuring less than 90 degrees.

• A triangle that has one angle measuring exactly 90 degrees.

• A triangle with all sides of equal length.

• A triangle that has two angles measuring 90 degrees.

What is a scalene triangle?

• A triangle with all sides of equal length.

• A triangle with two sides of equal length.

• A triangle with all sides of different lengths.

• A triangle with one right angle.

What is an acute triangle?

• An acute triangle has all angles measuring less than 90 degrees.

• An acute triangle has one angle measuring exactly 90 degrees.

• An acute triangle has all angles measuring more than 90 degrees.

• An acute triangle has two angles measuring 90 degrees.

What are the types of triangles based on sides?

• Equilateral Triangle: All sides are equal.

• Isosceles Triangle: Two sides are equal.

• Scalene Triangle: All sides are different.

• Right Triangle: One angle is 90 degrees.

What are the types of triangles based on angles?

• Acute Triangle: All angles are less than 90 degrees.

• Equilateral Triangle: All sides and angles are equal.

• Scalene Triangle: All sides are of different lengths.

• Obtuse Triangle: One angle is greater than 90 degrees.

How do you classify a triangle with one right angle?

• It is classified as an acute triangle.

• It is classified as an obtuse triangle.

• It is classified as a right triangle.

• It is classified as an equilateral triangle.

What is an isosceles triangle?

• A triangle with all sides of equal length.

• A triangle with one angle greater than 90 degrees.

• A triangle that has at least two sides that are equal in length.

• A triangle with no equal sides.

What is an obtuse triangle?

• An obtuse triangle has one angle that measures more than 90 degrees.

• An obtuse triangle has all angles measuring less than 90 degrees.

• An obtuse triangle has two angles that are equal.

• An obtuse triangle has one angle that measures exactly 90 degrees.

What is a triangle?

• A three-sided polygon.

• A four-sided polygon.

• A shape with no sides.

• A two-dimensional circle.