brainst1
brainst1
17-02-2017
Mathematics
contestada
need help with my maths question
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baabaagreysheep
baabaagreysheep
02-03-2017
Because it is a right triangle, you can use Pythagoras' Theorem to find x.
13^2 - 6^2 = x^2
169 - 36 = x^2
133 = x^2
√
11.53 = x
11.53 to 3 significant figures is 11.5, so your answer is 11.5cm. I hope this helps!
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Divide. −5 5/8÷5 ...........................................
