1. Volume of CYLINDERS V olume = Πr 2 h Volume is in: UNITS 3 1 1 Gallon = 231 in 3 1 cubic foot of water equals 7.4805 gallons

2. Page 505 2 #3) Which has the greatest Volume. A or B? 3 6 3 6 #4) 2 in 10 ¼ in V olume = Πr 2 h #5) 6 in 14 in #6) The can has a radius of 1.5 inches and a height of 8 Inches. Do problems 7 - 14 A B

3. Page 505 #3) Which has the greatest Volume. A or B? A 3 6 3 6 #4) 2 in 10 ¼ in Π x 3 2 x 6 V olume = Πr 2 h A B Π x 36 x 3 Π x 6 2 x 3 3.14 x 54 Π x 9 x 6 339.12 in 3 169.6 in 3 3.14 x 108 V olume = Πr 2 h Π x 2 2 x h 3.14 x 4 x 10.25 128.8 in 3

4. 4 #5) 6 in 14 in #6) The can has a radius of 1.5 inches and a height of 8 Inches. V olume = Πr 2 h Π x 6 2 x h 1583 in 3 Π x 36 x14 V olume = Πr 2 h Π x 1.5 2 x h 56.5 in 3 Π x 2.25 x 8 3.14 x 36 x 14 3.14 x 18

5. 5 #7) V olume = Πr 2 h Π x 2.2 2 x 5 76 in 3 Π x 4.84 x 5 3.14 x 24.2 2.2 cm 5 cm #8) V olume = Πr 2 h Π x 3.5 2 x 7.5 288 in 3 Π x 12.25 x 7.5 3.14 x 91.875 #9) V olume = Πr 2 h Π x 4 2 x 2 100.5 in 3 Π x 16 x 2 3.14 x 32 2 in 4 In

6. 6 #10) V olume = Πr 2 h Π x 1 2 x 12 37.7 yd 3 Π x 1 x 12 3.14 x 12 #11) V olume = Πr 2 h Π x 12.5 2 x 24 11,781 ft 3 Π x 156.25 x 24 3.14 x 3,750 #12) V olume = Πr 2 h Π x.5 2 x 6 4.7 m 3 Π x.25 x 6 3.14 x 1.5 Diameter=1 m 1 yd 12 yd 24 ft 6 m

7. 7 #13) V olume = Πr 2 h Π x 2.5 2 x 8.25 162 ft 3 Π x 6.25 x 8.25 3.14 x 51.5625 8.25 ft #14) Find the Height of a cylinder with a radius of 5 feet and a Volume of 471 cubic feet. V olume = Πr 2 h 471 = Π x 5 2 x h 471 = 3.14 x 25 x h 471 = 78.5 x h 6 = h