X=3y+4, y=y
x+y=180, 3y+4+y=180, 4y+4=180
4y+4=180
4y=176
y=44
x=3(44)+4, x=132+4, x=136
(I am not a very good artist in this case:)
Edit: Misread the diagram, the previous answer was wrong.
Volume = 45
Bc
3 rows wide
5 rows long
3 rows tall
5x3=15
15x3=45
Step-by-step explanation:
using formula that cos= b/h
According to my calculations the theoretical answer about to be given is number c