C and D
the volume ( V) of a pyramid is found using the formula
V = [tex]\frac{1}{3}[/tex] × area of base × height
calculating each of the volumes gives
(A) V = [tex]\frac{1}{3}[/tex] × 10.5 × 6 = 21 in³
(B) V = [tex]\frac{1}{3}[/tex] × 3.6 × 8 = 9.6 in³
(C) V = [tex]\frac{1}{3}[/tex] × 4.2 × 12 = 16,8 in³
(D) V = [tex]\frac{1}{3}[/tex] × 6 × 8.4 = 16.8 in³
C and D have equal volumes
