Math

Play an AI-generated podcast conversation about this lesson

What is a line?

Made up of points with no thickness or width

What is a point?

A location with no size or shape

What is a line segment?

A measurable part of a line consisting of two endpoints

What is a ray?

A line that extends indefinitely in one direction Signup and view all the answers

What is a plane?

A flat surface made up of points and extends indefinitely in all directions. Signup and view all the answers

What is Collinear?

points that lay on the same line Signup and view all the answers

What is Coplaner?

points that lay on the same plane Signup and view all the answers

What are congruent segments?

If two segments have the same length they are congruent. Signup and view all the answers

What is the Segment addition postulate?

If A, B, and C are collinear points and B is between A and C, then AB + BC = AC Signup and view all the answers

What is the Distance Formula?

The formula is used to find the distance between two points on a coordinate plane. Signup and view all the answers

What is the midpoint formula?

The formula used to find the midpoint between two end points. Signup and view all the answers

Segment bisector

A segment, line, or plane that intersects a segment at its midpoint. Signup and view all the answers

Perpendicular

Two lines that intersect at a 90° angle (right angle). <ul> <li>symbol: _</li> </ul> Signup and view all the answers

PERPENDICULAR BISECTOR

A line, segment, or ray perpendicular to a segment of its midpoint. Signup and view all the answers

PARALLEL LINES

Two lines that never intersect Signup and view all the answers

ANGLE

The intersection of two rays at an endpoint. Signup and view all the answers

VERTEX

The common endpoint of an angle. (where the sides intersect) Signup and view all the answers

RIGHT ANGLE

An angle with a degree measure of 90% Signup and view all the answers

ACUTE ANGLE

An angle with a degree measure less than 90° Signup and view all the answers

OBTUSE ANGLE

An angle with a degree measure greater than 90°. Signup and view all the answers

STRAIGHT ANGLE

An angle with adegree measure of 180° Signup and view all the answers

CONGRUENT ANGLES

Two angles that have the same measure are congruent Signup and view all the answers

ADJACENT ANGLES

Two angles that share a common side and vertex. "Next to" each other. Signup and view all the answers

ANGLE ADDITION POSTULATE

If <ABD and < DBC are adjacent, then LABD + < DBC = LABC. Signup and view all the answers

ANGLE BISECTOR

A line or ray that divides an angle into two equal parts. Signup and view all the answers

VERTICAL ANGLES

Two angles directly across from each other on intersecting lines. <ul> <li>Always congruent. *</li> </ul> Signup and view all the answers

COmPLEmENTARY ANGLES

Two angles with measures that sum to 90° <ul> <li>Do not have to be adjacent. *</li> </ul> Signup and view all the answers

SUPPLEMENTARY ANGLES

Two angles with measures that Sum to 180°. <ul> <li>Do not have to be adjacent.*</li> </ul> Signup and view all the answers

LINEAR PAiR

Adjacent angles that are supplementary. Combined, they form a straight line. Signup and view all the answers

What is a point?

A location with no size or shape.

What is a line?

Made up of points with no thickness or width