Year 7 Pythagoras’ Theorem Dr J Frost

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Year 7 Pythagoras’ Theorem Dr J Frost
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Year 7 Pythagoras Theorem Dr J Frost (jfrosttiffin.kingston.sch.uk) www.drfrostmaths.com Last modified: 29th April 2016 Objectives: Apply Pythagoras Theorem to 2D problems. Know common Pythagorean triples. Know what is meant by given

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Year 7 Pythagoras’ Theorem Dr J Frost (jfrost@tiffin.kingston.sch.uk)
www.drfrostmaths.com Last modified: 29th April 2016 Objectives: Apply Pythagoras’ Theorem to 2D problems.
Know common ‘Pythagorean triples’. Know what is meant by given an answer in ‘exact form’.
Find the perpendicular height and area of an equilateral triangle.<br>
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Sketch this right-angled triangle in your book in the centre of a new page. Work out the length of the longest side using a ruler. 4cm 3cm<br>
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3cm 3cm 4cm 4cm 5cm 5cm Area = ? Area = ? Area = ? Now turn each side of the triangle into a square.
Can you notice anything about the relationship of the three areas? 32 + 42 = 52<br>