Line and Triangle Coordinate Poofs

Multiple Choice

Parallel or Perpendicular?

• Parallel- same slope

• Perpendicular- opposite reciprocal slopes

• Neither- no slope relationship

• I don't know

Multiple Choice

Parallel or Perpendicular?

• Parallel- same slope

• Perpendicular- opposite reciprocal slopes

• Neither- no slope relationship

• I don't know

Open Ended

Type how you know $$AD\cong BC$$  

Open Ended

Type how you know $$AB\parallel CD$$  

Open Ended

Type how you know $$GH\parallel DE$$  

Open Ended

What type of triangle is $$\Delta ABC$$  ? How do you know?

Open Ended

Is $$\Delta ABC$$  a right triangle? How do you know?

Open Ended

Is $$\Delta ABC$$  a right isosceles triangle? How do you know?