Proof Rules

Question 1

Right Triangle

Answer 1

Show two sides are perpendicular

Question 2

Parallelogram

Answer 2

Show diagonals bisect each other by showing midpoint are the same

Question 3

Rectangle

Answer 3

Prove it’s a parallelogram and then show it has right angles using slope

Question 4

Rhombus

Answer 4

Prove it’s a parallelogram then prove the adjacent sides are equal

Question 5

Square

Answer 5

Prove all sides are equal then prove there are right angles using slope

Question 6

Trapezoid

Answer 6

Show one pair of sides are parallel and one set of sides aren’t parallel

Question 7

Isoceles Trapezoid

Answer 7

Prove it’s a trapezoid then prove the non parallel sides are equal