Volume of rectangular prisms. B V= Bh B = area of the base The base of a rectangular prism is a rectangle h The area of a rectangle is length times width.

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Presentation transcript:

Volume of rectangular prisms

B V= Bh B = area of the base The base of a rectangular prism is a rectangle h The area of a rectangle is length times width l w How to find the volume of a rectangular prism V= l w h

Find the volume of this rectangular prism Round your answer to the nearest hundredth 2.1 ft. 9.5 ft. 4.5 ft. V= Bh ft. ³ ft. ³ l w

Volume of cylinders

Finding the volume of a cylinder B =  r 2 V = Bh The base of a cylinder is a circle  (4 2 ) 16  V = Bh 4m 12m 16   12   192  m³

Finding the volume of a cylinder B =  r 2 V = Bh The base of a cylinder is a circle  (6 2 ) 36  V = Bh 8m 12m 36  8 36  8   288  m³ You can’t use 12m it is the diameter To find the radius you divide the diameter by 2 r = 6

Pages 479 – – 6 all Answer bank

B V= Bh B = ______ of the base The base of a rectangular prism is a _______________ h The area of a rectangle is ______________ times _____________ How to find the volume of a rectangular prism V= l w h

Find the volume of this rectangular prism Round your answer to the nearest hundredth ft. V= Bh 2. ft. ³

Finding the volume of a cylinder B = V = Bh The _________ of a cylinder is a _______  = V = m m = = = =

Finding the volume of a cylinder B = V = Bh The base of a cylinder is a circle  = V = Bh m m = = = = You can’t use 12m it is the diameter To find the radius you divide the diameter by 2 r = 6