Use Pythagoras’ theorem to show a triangle is right-angled or to find one side of a right-angled triangle when two sides are known. Make sure you are confident at substituting into and manipulating ...
AB is 6 cm, BG is 3 cm and FG is 2 cm. Calculate AF. Draw the right-angled triangle ACF and label the sides. This is the right-angled triangle that contains the unknown AF. To calculate AF, AC is ...
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