a convenientcoordinatesystemto help you solvethe problem.
LessonExercises
Solveeachproblem.
Use the diagrambelowfor questions1 and 2. and are right angles.
- Whatis the relationshipbetween and? How do you know?
 - Whatis How do you know?
 - Whatis How do you know?
 - Whatis How do you know?
 - Whatis How do you know?
 - Whatis the distancebetweenthe two lines on the grid below?