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Published byMae Young Modified over 9 years ago
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Area of a quadrilateral is when you calculate Length X Width length width Area = length x width
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Now work out the area of these rectangles. They are not drawn to scale. 36cm 2 35cm 2 20cm 2 4cm 9cm 7cm 5cm 4cm
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What happens if you have the area and the measurement of one side…..how do you find the other side????
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What we know… AREA = LENGTH X WIDTH What is missing… AREA = X X WIDTH or… AREA = LENGTH X 3 cm. 12 cm ² ? ? 24 in ² 6in. What do you need to do to find the answer… AREA LENGTH WIDTH = ÷ X = OR … AREA WIDTH LENGTH ÷ =
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9 in. 45 in. ² ? Open Number Sentence 45 ÷ 9 = W Solution 45 ÷ 9 = 5 in. 6 in. 48 in. ² ? Open Number Sentence 48 ÷ 6 = L Solution 48 ÷ 6 = 8 in.
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