Pyramid Volume Formula: 1/3 x Base x Height
To find the base multiply the two numbers that represent the base example like the question above the base is 7 and 14 ad just multiply it and the result is 98 and 98 is the base.
Volume: 1/3 x 7 x 14 x 12
: 98 x 12 ÷ 3
: 1176 ÷ 3
: 392
And add the measurement symbol and volume symbol.
Answer: 392 cm³