Geometry Foundations Vocab

2 sides of the triangle are congruent (same length)

• Equilateral

• Isosceles

• Scalene

• Pythagorean

The _______ of a right triangle that forms the right angle

• leg

• hypotenuse

The longest side of a right triangle (across from the right angle) is called _______

• leg

• hypotenuse

What is the hypotenuse?

• 6.2

• 5.4

• 8.2

Is the side with labeled with x a leg or the hypotenuse?

• leg

• hypotenuse

Lines that never cross are called

• Perpendicular

• Parallel

• arcs

• ray

a location with no size or shape

• Point

• Line

• Line Segment

• Plane

a flat surface made up of points that extend infinitely in all directions is called a________

(think of a piece of paper or a wall)

• Point

• Line

• Line Segment

• Plane

Points that are on the same line are called _______

• Coplanar

• Collinear

• Angle

• Chord

What is this called?

• Circumference

• Minor Arc

• Major Arc

• Inscribed Angle