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Introduction
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The key thing when finding the area of a shape is to remember the appropriate formula! If you can do that, the rest is as easy as falling off a log!
So, how many of them do you know?
1. Area of a rectangle = length × width
The area of this rectangle is 11 cm x 4 cm = 44 cm2
2. Area of a parallelogram = length × perpendicular height
The area of this parallelogram is 8 cm x 3 cm = 24 cm2
3. Area of a triangle = base × perpendicular height ÷ 2
(This is because you can fit two triangles inside a rectangle.)
The area of this triangle is (12 cm x 8 cm) ÷ 2 = 48 cm2
That wasn't too painful, was it? If you need to check back to these formulae, just click on the red help button on the screen so that you can read the introduction again.
Let's get started.
Question
/ 10Mr Shepherd
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