PLEASE HELP WILL GIVE BRAINLIEST! Find the volume of the solid. Round to the hundredths, if necessary.

Answer:
140 cubic cm
Step-by-step explanation:
Find the area of the triangular base: [tex]\frac{3 \times 7.8}{2}[/tex] = 11.7.
Multiply 11.7 square cm with 12 cm to get 140.4 cubic cm.