1.Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm.

A. 324 cm3
B. 108 cm3***
C. 36 cm3
D. 152 cm3
2
Find the volume of a rectangular prism with the following dimensions:

Length = 5 mm

Base = 7 mm

Height = 3 mm

A. 142 mm3
B. 105 mm3***
C. 126 mm3
D. 130 mm3
3.Find the volume of a cone with a radius of 10 mm and a height of 6 mm.
A. 628 mm3
B. 600 mm3
C. 1,884 mm3
D. 1,254 mm3***
pls check my answers

#1,2 ok

#3. V = 1/3 πr^2 h = 1/3 π * 100 * 6 = 200π