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It may be necessary to use Pythagoras' theorem and trigonometry to solve a problem. The shape ABCDEFGH is a cuboid. Length AB is 6 cm, length BG is 3 cm and length FG ...
The angle on a straight line is 180°. The angle VOY = 180°. The angle at the centre is double the angle at the circumference. Angle VWY = \(\frac{1}{2}\) of angle VOY = \(\frac{1}{2} ...
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