Slide1Main Idea/Vocabulary• cone • Find the volumes of pyramids and cones. KC Example
Slide1Main Idea/Vocabulary• cone • Find the volumes of pyramids and cones. KC Example 1Find the Volume of a Pyramid Find the volume of the pyramid. Answer: The volume is 140 cubic centimeters. Volume of a pyramid Sim
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Slide1Main Idea/Vocabulary• cone • Find the volumes of pyramids and cones.
Slide2KC
Slide3Example 1Find the Volume of a Pyramid Find the volume of the pyramid. Answer: The volume is 140 cubic centimeters. Volume of a pyramid Simplify. B = 7 ● 3, h = 20
Slide41.A 2. B 3. C 4. D Example 1 A. 60 m 3 B. 72 m 3 C. 80 m 3 D. 120 m 3 Find the volume of the pyramid.
Slide5Example 2SOUVENIRS A novelty souvenir company wants to make snow “globes” shaped like pyramids. It decides that the most cost-effective maximum volume of water for the pyramids is 12 cubic inches. If a pyramid measures 4 inches in height, find the area of its base. Volume of a pyramid Replace V with12 and h with 4.
Slide6Example 2Simplify. Answer: The area of the base of the snow globe is 9 square inches.
Slide71.A 2. B 3. C 4. D Example 2 A. 6 in. B. 6.5 in. C. 7 in. D. 7.5 in. TOYS A company is designing pyramid shaped building blocks with a square base. They want the volume of the blocks to be 18 square inches. If the length of the side of the base is 3 inches, what should be the height of the blocks?
Slide8KC
Slide9Example 3Find the Volume of a Cone Find the volume of the cone. Round to the nearest tenth. Answer: The volume is about 18.8 cubic meters. Volume of a cone Replace r with1.5 and h with 8. Simplify.
Slide101.A 2. B 3. C 4. D Example 3 A. 28.5 in 3 B. 29.2 in 3 C. 34.1 in 3 D. 37.7 in 3 Find the volume of the cone. Round to the nearest tenth.
Slide111.A 2. B 3. C 4. D Five Minute Check 1 A. 254.8 in 3 B. 382.2 in 3 C. 441.6 in 3 D. 764.5 in 3 Find the volume of the given solid. Round to the nearest tenth if necessary. (over Lesson 7-5)
Slide121.A 2. B 3. C 4. D Five Minute Check 2 A. 25.5 cm 3 B. 51 cm 3 C. 76.5 cm 3 D. 153 cm 3 Find the volume of the given solid. Round to the nearest tenth if necessary. (over Lesson 7-5)
Slide131.A 2. B 3. C 4. D Five Minute Check 3 A. 91.1 ft 3 B. 45.6 ft 3 C. 20.1 ft 3 D. 13.5 ft 3 Find the volume of the given solid. Round to the nearest tenth if necessary. (over Lesson 7-5)
Slide141.A 2. B 3. C 4. D Five Minute Check 4 (over Lesson 7-5) The base of the triangle of a triangular prism is 3 yd, the altitude is 5 yd, and the height is 9 yd. Find the volume of the triangular prism. Round to the nearest tenth if necessary. A. yd 3 B. yd 3 C. yd 3 D. yd 3
Slide151.A 2. B 3. C 4. D Five Minute Check 5 A. 1 99.9 m 3 B. 99.9 m 3 C. 67.8 m 3 D. 33.9 m 3 Find the volume of a rectangular prism if the length is 4.6 m, width is 8.2 m, and height is 5.3 m. Round to the nearest tenth if necessary. (over Lesson 7-5)
Slide161.A 2. B 3. C 4. D Five Minute Check 6 A. 4 mm B. 9 mm C. 10 mm D. 11 mm The volume of a rectangular prism is 440 mm 3 . If the length is 8 mm and the height is 5 mm, what is the width? (over Lesson 7-5)
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