Answer:
277.3 unit^3
Step-by-step explanation:
volume of triangular pyramid = 1/3 * A*H
H= 16
A is the area of base triangle
A= 1/2 * bh
b = 13
h = 8
A = 52 unit^2
volume = 1/3 * 52 * 16 = 277.3
