2D Geometry Terms

Angle that measures exactly 90˚

• Obtuse
• Right
• Acute
• Left

Angle that measures less than 90˚

• Obtuse
• Right
• Acute
• left

Angle that measures greater than 90˚ and less than 180˚

• Obtuse
• Left
• Acute
• Right

Part of a line with an end point and then extends in theother direction with no end 

• Right
• Point
• Acute
• Ray

What is the origin?

• (0,1)
• (1,0)
• (0,0)
• (0,3)

What is a coordinate grid?

• It has an x and y axis.It is where you plot points
• x-axis
• y-axis
• outer space

How can you classify triangles?

• Angle Measure
• Side Lengths
• Angle measures and side lengths

What are the types of triangles you can classify by angle measures?

• Acute, Right, and Obtuse Triangle
• Isosceles, Equilateral, and Scalene Triangle

What types of triangles can be classified by side lengths?

• Scalene, Equilateral, Isosceles Triangles
• Right, Acute, and Obtuse Triangles

What kind of triangle has all acute angles?

• Acute Triangle
• Obtuse Triangle
• Right Triangle