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Calculating Area of Shapes: Rectangle, Square, Triangle

Learn how to calculate the area of a rectangle, square, and triangle. Understand the concept of area and apply it to different shapes with examples provided for each shape.

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Calculating Area of Shapes: Rectangle, Square, Triangle

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  1. Starter Questions 26/01/11 • Convert the following to minutes :- • a. 0.7hours b. 0.4hours c. 0.65hours • 2. Convert the following to decimal time :- • a. 12 minutes b. 48 minutes c. 54 minutes • 3. A car travels at an average speed of 60m.p.h for 21 miles. Find the time taken as :- • In decimal • In minutes

  2. 26/01/11 Learning Intention To be able to calculate the area of rectangle, square and triangle.

  3. Definition Area is “ how much space a shape takes up”

  4. The Square 26/01/11 Example 1 5cm Area = 5 x5 = 5² Area = 25cm²

  5. The Rectangle 26/01/11 Example 2 4m 6m Area = 6 x 4 Area = 24m²

  6. Right Angled Triangle Example 3 26/01/11 3cm 10cm Area = ½ x 10 x 3 Area = 15 cm²

  7. 26/01/11 Learning Intention To be able to calculate the area of rectangle, square and triangle.

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