SURFACE AREA OF COMPOSITE FIGURES
5SURFACE AREA OF COMPOSITE FIGURESWHAT YOU’LL LEARN1) Identify the different types of figures that make up the solid.2) Identify what parts of each figure are on the surface of the solid.3) Calculate the surface area of composite shapes.Find the surface area of the figure below:1.Identify the parts of the solid on the surface.Find the area of the base.ABase 10(10) 100Find the lateral area of the prism.LAPr ism Pbase hLAPr ism 4(10)(32) 1280Find the lateral area of the pyramid.1LAPyramid Pbase h21LAPyramid (40)(12) 2402Find the sum of all three parts.S.A. 1280 240 100The surface area of the composite solid is 1620 square feet.!
PRACTICE TEST:Find the Surface Area of the following. Write your complete solutions, finalanswers correct to two decimal places. Use pi in your calculator.2.1.3.4.1.5.6.
APPLICATIONS:Solve the following problems completely. Write your final answers correct totwo decimal places. Use pi in your calculator.1) Yanna celebrated her fifth birthday. She ate at her favorite restaurant.She ordered a soda pop. The soda pop came in a cup shaped like acylinder with a cone top. The cylinder part of the cup was 6 inches talland the height of the top was 2 inches. The radius of the cup was 2inches. What was the surface area of the cup?2) James wants to paint his grain silo. The diameter of the silo is 8 meters.The height of the cylindrical part is 12 meters. The slant height of thecone top is 4.5 meters.a. Calculate the surface area of the grain silo.b. A five-gallon bucket of paint covers 20 square meters. Howmany buckets of paint will James need?3) Shynna designed her perfect wedding cake. Shewants to have 3 layers with smooth white frosting onthe cake. The first layer will have a 24-inch diameter,the second layer will have an 18-inch diameter andthe top layer will have a 10-inch diameter. Each layerwill be 6-inches tall. How many square inches offrosting will show on the surface of the 214563/lib/14552011718214563/Lesson ent/ipe/grade%207/07/g7 07 05.pdf
6VOLUME OF COMPOSITE FIGURESWHAT YOU’LL LEARN1) Identify the different types of figures that make up the solid.2) Calculate the volume of composite shapes.Find the volume of the figure:Find the volume of the cylinder.V ! r 2hV ! (2)2 (1)V 4!Find the volume of the prism.Total Volume 4π 100V ! 112.57in 3!V lwhV 5(5)(4)V 100
PRACTICE TEST:Find the Volume of the following. Write your complete solutions, final answerscorrect to two decimal places. Use pi in your calculator.1.4.3.2.5.THINKING TIME:How is finding the volume and surface area of composite figures different fromfinding the volume and surface area of simple 718214563/lib/14552011718214563/Lesson ent/ipe/grade%207/07/g7 07 05.pdf
The surface area of the composite solid is 1620 square feet. SURFACE AREA OF COMPOSITE FIGURES 1) Identify the different types of figures that make up the solid. 2) Identify what parts of each figure are on the surface of the solid. 3) Calculate the surface area of composite shapes. WHAT YOU’LL LEARN 1. LA Prism P base h LA rism 4(10)(32 .
Types of composite: A) Based on curing mechanism: 1- Chemically activated composite 2- Light activated composite B) Based on size of filler particles: 1 - Conventional composite 2- Small particles composite 3-Micro filled composite 4- Hybrid composite 1- Chemically activated, composite resins: This is two - paste system:
Task 3: Area of Composite Figures Use the ruler on the Reference Materials to measure and record the dimensions of the composite figure you created to the nearest half inch. Determine the area of the composite figure you created. Trade your paper with a group member and verify that your partner’s solution is correct.
find the area of each, and add to find the total area. To find the area of a composite figure, separate it into figures with areas you know how to find. Then add those areas. Find the Area of a Composite Figure Find the area of the figure at the right. 6 in. 4 in. 10 in. 6 in. " The figure can be separated into a rectangle and a triangle .
The List of Figures is mandatory only if there are 5 or more figures found in the document. However, you can choose to have a List of Figures if there are 4 or less figures in the document. Regardless of whether you are required to have a List of Figures or if you chose
9-6 Area of Irregular Figures WRITE: A composite figure is made up of simple geometric shapes, such as triangles and rectangles. You can find the area of an irregular figure by separating it into non-overlapping familiar figures. The sum of the areas of these figures is the area of the irregular figure. You can also estimate
Determine the surface area of a given composite 3-D object. Solve a given problem involving surface area. GLOSSARY Surface Area: Surface area is the total area of all faces, or surfaces, of a three-dimensional figure. It is the total number of square units needed to cover the outside a three-dimensional figure.
Virginia Department of Education 2018 Grade 8 Mathematics Vocabulary – Card 29 Composite Figures Example 1: Subdivide the composite figure into other figures, then determine the perimeter. Example 2: Subdivide the composite figure into other figures to determine the area of the side o
Introduction to Basic Counselling and Communication Skills: IOM Training Manual For Migrant Community Leaders and Community Workers Handout 2: Things to know about pandemic influenza Pandemic influenza is a new type of influenza virus. It is not seasonal influenza or avian influenza or swine influenza. 1. Seasonal influenza Seasonal Influenza is an acute viral infection that spreads easily .
