The pyramid below has a square base. Work out the volume of the pyramid

Answer:
17.2 x 17.2 =area of base. ( B x H) = 295.84
295.84 x 24.4 (perpendicular height) = 7218.496
7281.496 x 1/3 ( or divide by three) = 2406.1653
Not sure how many dp you need.