Classifying Two Dimensional Figures

What type of angle is greater than 90 degrees but less than 180 degrees?

• Acute Angle

• Right Angle

• Obtuse Angle

• Straight Angle

What kind of triangle has one angle that is greater than 90 degrees?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

• Equilateral Triangle

What is the name of a triangle with two equal sides?

• Equilateral Triangle

• Scalene Triangle

• Isosceles Triangle

• Right Triangle

What is a polygon with three sides called?

• Square

• Triangle

• Rectangle

• Pentagon

What is a polygon with four sides called?

• Triangle

• Quadrilateral

• Pentagon

• Hexagon

What is the name of a triangle with all sides of different lengths?

• Equilateral Triangle

• Isosceles Triangle

• Scalene Triangle

• Right Triangle

What is the sum of the angles in any triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

What kind of triangle has one angle that is exactly 90 degrees?

• Acute Triangle

• Obtuse Triangle

• Right Triangle

• Equilateral Triangle

What is the name of a triangle with one obtuse angle?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

• Equilateral Triangle

What kind of triangle has all angles less than 90 degrees?

• Acute Triangle

• Obtuse Triangle

• Right Triangle

• Scalene Triangle