Answer:
840 cm³
Explanation:
To find it's volume , let's just divide the whole prism into two rectangular prisms.
Rectangular Prism 1:
Volume =
Volume = 8 * 15 * 6
Volume = 720 cm³
Rectangular Prism 2:
Volume =
Volume = 5 * 4 * 6
Volume = 120 cm³
Whole Prism:
Volume = 720+120
=> 840 cm³