Coordinate Proofs

F (___, ___)

• (a, a)

• (x, a)

• (a, 0)

• (0, a)

R (___, ___)

• (x, y)

• (3.5b, y)

• (7b, y)

• (3.5b, 3.5b)

C (___, 0)

E (___, a)

F (___, b)

Z (___, ___)

• (b, y)

• (2b, 2b)

• (2b, y)

• (b, 2b)

M (___, ___)

• (x, y)

• (3b, 3b)

• (0, 3b)

• (0, y)

T (___, ___)

• (a, a)

• (0, 2a)

• (0, y)

• (0, a)

How would you prove a quadrilateral is a rectangle using distance formula?

• Prove diagonals are congruent

• Prove there are 4 right angles

• Prove opposite angles are congruent

• Prove opposite sides are parallel

How would you prove a quadrilateral is a square using slope? (Check both)

• Prove there are 4 right angles

• Prove 4 sides are congruent

• Prove opposite sides are parallel

• Prove diagonals are perpendicular