A metronome is a device that ticks at adjustable intervals to help keep time when playing music. The metronome on Ryan’s piano h
as the basic shape below. A square pyramid. The base is 9 centimeters by 9 centimeters. The triangular sides have a base of 9 centimeters and height of 20.5 centimeters. The pyramid has a height of 20 centimeters.
If the metronome was created out of a piece of solid wood, what is the minimum amount of solid wood that was used?
