Angles and Triangles Vocabulary

• Obtuse Angle

• Vertical Angle

• Straight Angle

• Acute Angle

Tags

CCSS.4.G.A.1

Angle on the inside of a polygon

• Vertical Angle

• Interior Angle

• Exterior Angle

• Acute Angle

Tags

CCSS.4.MD.C.5

CCSS.4.MD.C.7

Triangle with two congruent sides and angles

• Isosceles Triangle

• Obtuse Triangle

• Acute Triangle

• Scalene Triangle

Tags

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.CO.C.10

Space created by the intersection of two rays, line segments, or lines

• Transversal

• Ray

• Vertex

• Angle

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

• Right Triangle

• Obtuse Triangle

• Acute Triangle

• Equilateral Triangle

A line that cuts two other lines

• Transversal

• Ray

• Vertex

• Triangle

Tags

CCSS.HSG.CO.C.9

Two lines with the same slope that never intercept

• Transversal

• Perpendicular Lines

• Parallel Lines

• Ray

Tags

CCSS.HSG.CO.C.9

CCSS.HSG.GPE.B.5

Point created by the intersection of two rays

• Angle

• Triangle

• Polygon

• Vertex

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

Triangle with an angle of exactly ninety degrees

• Equilateral Triangle

• Right Triangle

• Acute Triangle

• Scalene Triangle

Tags

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.11

Triangle with three equal sides and three equal angles

• Equilateral Triangle

• Scalene Triangle

• Isosceles Triangle

• Right Triangle

Tags

CCSS.5.G.B.4