Cleve's Cookie Store is located at the corner 2nd Avenue and 9th Street. Dave's Doorknobs is located at the corner of 12th Avenue and 14th street. Located 1/5 of the distance from Cleve's Cookie Store is the post office. Where is the post office? ​

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

answer: sorry

step-by-step explanation: can you tell me pls how to find the rational of two integers