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where students teach themselves
A comprehensive geometry curriculum
Geometry for School and Home
Activity 3.8
Assignment 3.14
Coordinate Geometry: Identifying Right Triangles
Objective
Determine if triangles in the coordinate plane are right triangles by finding and comparing the slopes of their sides.
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Assignment 3.9
About Geometry Worksheet Assignment 3.14:
Assignment 3.14 is an introduction to using slope to determine whether triangles on the coordinate plane are right triangles.
Prerequisite Skills: Find slopes of lines on the coordinate plane using the slope formula (Assignment 1.8). Identify pairs of perpendicular lines from slopes (Assignment 2.18).
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