Holt Geometry - Chapter 4 Vocabulary

A triangle that has three congruent angles

• obtuse

• equilateral

• equiangular

• isosceles

Tags

CCSS.4.G.A.2

A triangle with one angle that is greater than 90 degrees

• acute

• right

• obtuse

• isosceles

Tags

CCSS.4.G.A.2

in a right triangle, the side opposite of the right angle that is the longest side of the triangle.

• hypotenuse

• incenter

• altitude

• centroid

The distance from a vertex to the opposite base at a right angle - the "height" of a triangle.

• median

• orthocenter

• hypotenuse

• altitude

A line segment that cuts an angle into congruent parts

• median

• bisector

• altitude

• centroid

A triangle with all angles less than 90 degrees

• acute

• obtuse

• right

• isosceles

Tags

CCSS.4.G.A.2

A triangle with 2 congruent sides and congruent base angles

• right

• isosceles

• scalene

• obtuse

Tags

CCSS.4.G.A.2

A segment that intersects a side of a triangle at the midpoint and at a 90 angle

• median

• altitude

• perpendicular bisector

• circumcenter

A triangle with no congruent sides

• equilateral

• equiangular

• isosceles

• scalene

Tags

CCSS.4.G.A.2

The sum of any two sides of a triangle must be longer than the third side

• Triangle-Angle Inequality

• Triangle Inequality Theorem

• Incenter

• Circumcenter