AD is a median
(D is the midpoint of BC)
A (-4, 3), B (2, -5) and C (5, 2).
You have a triangle ABC with the followin
Parallel Lines have equal slopes. if and only if .
Perpendicular Lines have slopes that are negative reciprocals of each other.
i.e.If , then when . In other words, if and
Distance between two points and or Length of line segment between two points is or .
Find the length of AB
What is half the length?
What are the coordinates for the midpoint?
Find the length of BC
Properties of Quadrilaterals on the Geometers
Go to Applications, then click on Geometers Sketchpad
On the top menu, click on Graph, Grid Form, Square Grid
click on Edit, Preferences, Text, Show Labels Automatically, For All New
A line segment is a straight line between two points.
The length of a line segment can be determined from the coordinates of the two points. How do we
prove the formula of the