'Slant height' diaporamas de présentation

Assignment

Assignment. P. 806-9: 2-20 even, 21, 24, 25, 28, 30 P. 814-7: 2, 3-21 odd, 22-25, 30 Challenge Problems: 3-5, 8, 9. In Glorious 3-D!.

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Exercise

Exercise. Find the area of a circle with a radius of 4.5 units to the nearest tenth of a square unit. 63.6 units 2. Exercise. Find the area of a square with sides of 9.4 units to the nearest tenth of a square unit. 88.4 units 2. Exercise.

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12-3

Surface Area of Pyramids and Cones. 12-3. Warm Up. Lesson Presentation. Lesson Quiz. Holt Geometry. 12.3 Surface Area of Pyramids/Cones. Warm Up Find the missing side length of each right triangle with legs a and b and hypotenuse c . 1. a = 7, b = 24 2. c = 15, a = 9

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Now, tell me what the concept is:

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Unit 8: Applying Formulas

Unit 8: Applying Formulas. Sections : 10-3, 10-5, 10-6, 10-7 11-2, 11-4, 11-5, and 11-6. Learning Target:. I will be able to identify the appropriate formula for a figure and find the area, volume, surface area, or perimeter. Area of Parallelograms.

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Two- and Three-Dimensional Figures

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Surface Area

Surface Area. Surface Area. What does it mean to you? Does it have anything to do with what is in the inside of the prism.? Surface area is found by finding the area of all the sides and then adding those answers up. How will the answer be labeled? Units 2 because it is area!. B. C.

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You will be able to calculate the surface area of a pyramid and a cone.

Objectives. You will be able to calculate the surface area of a pyramid and a cone.

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MATH TAKS

MATH TAKS. Objective 8. The correct answer is: H. Multi- Step problem Find the proportion of line segment WZ 6__ = _X_ 4.5x = 40.5 4.5x = 40.5 4.5 6.75 4.5 4.5 X = 9 Now use find the area of triangle VZW 6.75*9

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12.3 Surface Area of Pyramids and Cones

12.3 Surface Area of Pyramids and Cones. State Standards. Lesson Goals. Find the surface area of a pyramid. 8 , 9: Solve problems involving the surface area lateral area of geometric solids and COMMIT TO MEMORY THE NECESSARY FORMULAS. definitions. Pyramid Base : a polygon

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Notes 46

Notes 46. Surface Area of Pyramids and Cones. Vocabulary. Regular pyramid- a pyramid whose base is a regular polygon, and the faces are congruent isosceles triangles. S lant height of a pyramid- the distance from the vertex to the midpoint of an edge of the base.

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Warm up: Finding the Area of a Lateral Face

Warm up: Finding the Area of a Lateral Face. Architecture. The lateral faces of the Pyramid Arena in Memphis, Tennessee, are covered with steal panels. Use the diagram of the arena to find the area of each lateral face of this regular pyramid.

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Surface Area of Pyramids

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12.3 Surface Area of Pyramids and cones

12.3 Surface Area of Pyramids and cones. Essential Question: How do you find the surface area of a regular pyramid?. Terms to Know. Pyramid: Height of the pyramid: Regular pyramid: Slant height:. Surface Area of a Pyramid. Surface Area of a Pyramid = . Example 1:.

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9-1B Surface Area of Pyramids

9-1B Surface Area of Pyramids. How are pyramids named? What is slant height? What is the lateral area of a pyramid? What is the lateral area formula for a pyramid? What is the surface area formula for a pyramid?. A pyramid is a polyhedron. Pyramids have only one base.

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Surface Area and Volume of Pyramids & Cones

Surface Area and Volume of Pyramids & Cones. 9.3.1.1 Determine the surface area and volume of pyramids, cones and spheres. Use measuring devices or formulas as appropriate. . Guiding Question: How does surface area and volume change in pyramids and cones?.

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Lesson 9.8 The Pythagorean Theorem and Space Figures

Lesson 9.8 The Pythagorean Theorem and Space Figures. Objective: After studying this section, you will be able to apply the Pythagorean Theorem to solid figures. Some basic vocabulary you should know!. A Polyhedron is a solid formed by polygons that enclose a single region of space. face.

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1. Find the slant height of the regular pyramid.

1. Find the slant height of the regular pyramid. 1. Answer. 2. Find the slant height of the right cone. 2. Answer.

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