Answer: 36km/hour
Explanation: 144/4
We know that formular for volume of pyramid=area of base ×height
the area of the base is 1/2×base×height
=1/2×15×14
=105cm²
the given volume is 270cm³
∴height=volume÷base area
=270cm³÷105cm²
=

=
You didnt list any graph?? Can you add it please :)