Answer:
the volume of the pyramid is 156 cubic centimeters
Explanation:
Hello, I can help you with this.
the volume of a pyramid can be calculated as:

where
V is the volume of the pyramid
b is the base of the pyramid
h is the height of the pyramid
Step one
All you need to do is put the values into the equation,check the units, square centimeter for area and, centimeter for height
Let
b=the base of the pyramid=26
b=26
h= the height of the pyramid=18
h=18

so, the volume of the pyramid is 156 cubic centimeters.
I hope it helps, have a great day.