Answer:
My best explanation is cut the trapezoid in half, and then multiply the top and bottom parts as well as 8 (the height) then divide by 4, then square that. I Think this should help. If It does not, I am so sorry but I have work to do my self.
Step-by-step explanation:
<u>Number of pupils can play either instrument:</u>
<u>Number of those can play both:</u>
Resposta:
180
Espero ter ajudado