Answer:
a = 0.9 cm
Explanation:
Volume of a rectangular prism: L*W*H
- L = 4 cm
- W = 2 cm
- H = a cm
- V = 7.2 cm³
Substitute the values above into the formula:
V = L*W*H
7.2 = 4*2*a
7.2 = 8a
/8 /8
0.9 = a
Therefore, the value of a is 0.9 cm.
Hope this helps!