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Lesson Menu Five-Minute Check (over Lesson 11–9) Main Idea Key Concept: Volume of a Cylinder Example 1:Find the Volume of a Cylinder Example 2:Real-World Example

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Main Idea/Vocabulary Find the volumes of cylinders.

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KC 1

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Example 1 Find the Volume of a Cylinder Find the volume of the cylinder. Round to the nearest tenth. Answer: The volume is about 855.3 cubic centimeters. V = r 2 hVolume of a cylinder V = (5.5) 2 (9) Replace r with 5.5 and h with 9. V ≈ 855.3Use a calculator.

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1.A 2.B 3.C 4.D Example 1 A.273.2 in 3 B.546.4 in 3 C.974.6 in 3 D.1,639.9 in 3 Find the volume of the cylinder. Round to the nearest tenth.

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Example 2 COFFEE How much coffee can the can hold? Answer: 42.4 in 3 V = r 2 hVolume of a cylinder V = (1.5) 2 (6) Replace r with 1.5 and h with 6. V ≈ 42.4Simplify.

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1.A 2.B 3.C 4.D Example 2 A.628.3 in 3 B.125.7 in 3 C.157.1 in 3 D.50 in 3 JUICE Find the volume of a cylinder-shaped juice can that has a diameter of 5 inches and a height of 8 inches.

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End of the Lesson

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Resources Five-Minute Check (over Lesson 11–9) Image Bank Math Tools Area of Trapezoids Drawing 3-D Figures Area of Polygons

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1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 11-9) A.330 in 3 B.300 in 3 C.121 in 3 D.85 in 3 Find the volume of the rectangular prism shown in the figure. Round to the nearest tenth if necessary.

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1.A 2.B 3.C 4.D Five Minute Check 2 (over Lesson 11-9) A.11.6 cm 3 B.16.8 cm 3 C.34 cm 3 D.115.6 cm 3 Find the volume of the rectangular prism shown in the figure. Round to the nearest tenth if necessary.

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1.A 2.B 3.C 4.D Five Minute Check 3 (over Lesson 11-9) A.18 in 3 B.36 in 3 C.216 in 3 D.1,296 in 3 A cube has 6-inch edges. Find its volume.

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1.A 2.B 3.C 4.D Five Minute Check 4 (over Lesson 11-9) A.6 B.5 C.4 D.3 Kieran’s greenhouse is 25 feet long, 13 feet wide, and 14 feet high. She needs to know how many humidifiers to buy for the greenhouse. If each humidifier serves 1,000 ft 3 how many humidifiers should she buy?

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1.A 2.B 3.C 4.D Five Minute Check 5 (over Lesson 11-9) A.24 ft 3 B.60 ft 3 C.154 ft 3 D.240 ft 3 What is the volume of a closet that is 6 feet wide, 4 feet deep, and 10 feet tall?

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