SOLUTION
Step 1: Sketch and label the pyramid
2 cm 2 cm3 cmStep 2: Select the correct formula and substitute the given values
We are givenb= 2andH= 3, therefore:
V=
1
3
b^2 HV=1
3
22 3
=
1
3
12
=4 cm^3Step 3: Write the final answer
The volume of the square pyramid is 4 cm^3.
Worked example 13: Finding the volume of a triangular pyramid
QUESTION
Find the volume of the following triangular pyramid (correct to 1 decimal place):
12 cm|H8 cmhb442 13.3. Right pyramids, right cones and spheres