Bellwork (turn in on ½ sheet) Finals review: What is the area of an

isosceles trapezoid with a base angle of 60 degrees and bases 5 and 11?

Remind me to tell you how you can win ALL those gumballs!

12.4 Volumes of Prisms and Cylinders

Students will be able to find the volume of prism and cylinders.

Volume of a Solid The volume of a

solid is the number of cubic units contained in its interior. Volume is measured in cubic units or units3.

Find the volume of the prism to the right.

Volume of a Prism/Cylinder

Example 1 Find the volume of the solid.

Example 2 Find the volume of a cylinder if DC = 6 and

AD = 10.

Example 3 What is the volume of a cube with a face

diagonal of 8?

Example 4 The numerical value of the volume and the

surface area of a certain cube are the same. What is the measure of one of the edges of the cube?

Example 5

Find the volume of the solid below.

Homework Pg. 579 #1, 3, 6, 9, 12, 14, 17, 20a Quiz Thursday

ACT Bellwork The figure below shows a cross section of a swimming

pool that is 50 feet (ft) wide and 75) ft long. The bottom is horizontal for 25 ft, then slopes up, and the sides are vertical. What is the volume of water in cubic ft, that is required to fill the pool to a depth, as shown, of 10 ft at the deep end and 4ft at the shallow end?

Volume of a Prism The volume V of a prism is V=Bh

What do you think the volume of a cylinder would be?

h

Volume of a Cylinder

Example 1 Find the volume of the solid.