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9.2 Area of Special Shapes In this section we calculate the area of various shapes. Area of a circle =πr 2 Area of a triangle = 1 2 bh Area of a parallelogram =bh Example 1 Calculate the area of the triangle shown. Solution Area = 1 2 ××46 =12 cm2 Example 2 Calculate the area of a circle with diameter 10 m. Solution Radius =10 2 5÷= m Area ...
Use the given dimensions to find the volume of each cylinder. a) Radius = 5 cm, height = 7.5 cm, round your answer to the nearest tenth. b) Diameter = 7 inches, height = 5 inches, state your answer in terms of 𝜋.
Similar Shapes (Area and Volume) Name: _____ Instructions • Use black ink or ball-point pen. • Answer all questions. • Answer the questions in the spaces provided – there may be more space than you need. • Diagrams are NOT accurately drawn, unless otherwise indicated. • You must show all your working out. Information
The volume of a rectangular prism is the product of its length, width, and height. The volume of any prism is the product of the area of its base and its height. The surface area of a prism or pyramid is the sum of the areas of its faces.
In this unit, we will learn to find the surface area and volume of the following three-dimensional solids: Prisms. Pyramids. Cylinders. Cones. It is assumed that the reader has basic knowledge of the above solids and their properties from the previous unit entitled “Solids, Nets and Cross Sections.”
WORKSHEET General 2 Mathematics. Topic Areas: Measurement. Perimeter, Area and Volume Prelim – Perimeter, Area and Volume (MM2) Areas and Volumes. Teacher: PETER HARGRAVES. nutes Worked Solutions: IncludedNote: Each.
Guidance. Read each question carefully before you begin answering it. Donʼt spend too long on one question. Attempt every question. Check your answers seem right. Always show your workings. Revision for this topic. 1. Below are two similar triangles. The area of triangle A is 20cm2 Work out the area of triangle B. ..........................cm2. (2)
