Answer
336
Work Step by Step
We subtract the volume of the missing pyramid from the volume of the larger pyramid to get the shaded area:
$V = (1/3)(b)(h) \\ V = (1/3)(6^2)(32) - (1/3)(3^2)(16) = 336$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.