In a convex quadrilateral ABCD, the diagonals are perpendicular to each other. The length of the edges are AB=2017, BC=2018, CD=2019, find the length AD?

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

ummm seems that u didnt post the attachement !

table a is wierd

step-by-step explanation:

6*f