Find the surface area of a rectangular prism with length of 6 inches, width of 5 inches, and height of 4.5 inches. Round to the nearest tenth. Find the surface area of a cone with slant height of 4.3 centimeters and radius of 3.5 centimeters. Round to the nearest tenth. Find the surface area of a hemisphere with radius of 6 meters. Round to the nearest tenth. The surface area of a sphere is 36 square units. What is the radius of the sphere? Lesson 1 Menu
Find volumes of cylinders. Find volumes of prisms. Find volumes of cylinders. Lesson 1 MI/Vocab
Lesson 1 KC1
Volume of a Triangular Prism Find the volume of the triangular prism. V Bh Volume of a prism 1500 Simplify. Answer: The volume of the prism is 1500 cubic centimeters. Lesson 1 Ex1
Find the volume of the triangular prism. A. 6480 in3 B. 8100 in3 C. 3240 in3 D. 4050 in3 A B C D Lesson 1 CYP1
First, convert feet to inches. The weight of water is 0.036 pounds times the volume of water in cubic inches. How many pounds of water would fit into a rectangular child’s pool that is 12 inches deep, 3 feet wide, and 4 feet long? First, convert feet to inches. Lesson 1 Ex2
20,736 The volume is 20,736 cubic inches. To find the pounds of water that would fit into the child’s pool, find the volume of the pool. V Bh Volume of a prism 36(48)(12) B 36(48), h 12 20,736 The volume is 20,736 cubic inches. Now multiply the volume by 0.036. 20,736 × 0.036 ≈ 746.5 Simplify. Answer: A rectangular child’s pool that is 12 inches deep, 3 feet wide, and 4 feet long, will hold about 746.5 pounds of water. Lesson 1 Ex2
The weight of water is 62. 4 pounds per cubic foot The weight of water is 62.4 pounds per cubic foot. How many pounds of water would fit into a back yard pond that is rectangular prism 3 feet deep, 7 feet wide, and 12 feet long? A. 252 lb B. 17,971.2 lb C. 16,178.4 lb D. 15,724.8 lb A B C D Lesson 1 CYP2
Lesson 1 KC2
A. Find the volume of the cylinder to the nearest tenth. Volume of a Cylinder A. Find the volume of the cylinder to the nearest tenth. Volume of a cylinder = π(1.8)2(1.8) r = 1.8, and h = 1.8 ≈ 18.3 Use a calculator. Answer: The volume is approximately 18.3 cm3. Lesson 1 Ex3
B. Find the volume of the cylinder to the nearest tenth. Volume of a Cylinder B. Find the volume of the cylinder to the nearest tenth. The diameter of the base, the diagonal, and the lateral edge of the cylinder form a right triangle. Use the Pythagorean Theorem to find the height. Pythagorean Theorem a h, b 8, and c 17 Multiply. Lesson 1 Ex3
Subtract 64 from each side. Volume of a Cylinder Subtract 64 from each side. h 15 Take the square root of each side. Now find the volume. Volume of a cylinder r 4 and h 15 Use a calculator. Answer: The volume is approximately 754.0 cubic feet. Lesson 1 Ex3
A. Find the volume of the cylinder to the nearest tenth. A. 62.8 cm3 B. 628.3 cm3 C. 125.7 cm3 D. 1005.3 cm3 A B C D Lesson 1 CYP3
B. Find the volume of the cylinder to the nearest tenth. A. 4712.4 m3 B. 2356.2 m3 C. 471.2 m3 D. 18,849.6 m3 A B C D Lesson 1 CYP3
Lesson 1 KC3
Volume of an Oblique Solid Find the volume of the oblique cylinder to the nearest tenth. To find the volume, use the formula for a right cylinder. Volume of a cylinder r 15, h 25 Use a calculator. Answer: The volume is approximately 17,671.5 cubic feet. Lesson 1 Ex4
Find the volume of the oblique cylinder to the nearest tenth. A. 1520.5 cm3 B. 16,725.8 cm3 C. 5324 cm3 D. 8362.9 cm3 A B C D Lesson 1 CYP4