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45 votes
Using Pythagoras’ theorem or trigonometric ratios

Using Pythagoras’ theorem or trigonometric ratios-example-1
User Antti Rasinen
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1 Answer

22 votes
22 votes
48^2 = 2304
36^2 = 1296
2304 - 1296 = 1008
i = square root of 1008
i = 12 x root 7 or i = 31.75 to 2dp
User Tuxtitlan
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