a triangle has sides with lengths of 65 inches 72 inches is it a right angle will mark as brilliant ​

Michael split a rope that was 28 inches long into 5 equal parts. brenden split a rope that was 30 inches long into 6 equal parts. which boy's rope was cut into longer pieces?

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.