Ineed to knew if its 11: 51 pm what time is it five hours later and what is five hours before 4: 51

Five hours later it is 4:51am

Before it is 11:51(am or pm depending on question)

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

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