Ray is measuring fabric for the costumes of a school play. He needs 12.5 meters of fabric. He has 30.5 centimeters of fabric. How many more centimeters of fabric does he need?

step-by-step explanation: h: (- 3, 6)

m: (1, - 2)

o: (7, 6)

r: (- 9, - 2)

midpoint of hm: (- 1, 2)

midpoint of or: (- 1, 2)

therefore, b is the midpoint of both diagonals bisect each other !

to prove the diagonals are perpendicular, show that the product of the slopes = - 1

take it another

a: 1/6, j: 1/4

step-by-step explanation: you are welcome