Distance Six Times?
Square: All Sides are =, diagonals are =
Rectangle: Opp. sides are =, diagonals are =
Distance Four Times?
Rhombus: all sides are congruent
Parallelogram: opp. sides are equal
Slope Four Times?
Trapezoid: 1 pair of || lines (sides)
Slope Four Times & Distance Two Times?
Isosceles Trapezoid: 1 pair of || sides & = diagonals
Slope Two Times?
To prove two lines are perpendicular or parallel
Midpoint?
To prove two lines bisect eachother
* have to end with the same md. pt. *
When comparing diagonals, what do you use to figure out if they bisect?
Mid-Point