If the volume of the pyramid shown is 216 in 3, what is the area of its base?

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week