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14-02-2018
Mathematics

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Which side lengths form a right triangle?
(Look in the picture for the answers)

Which side lengths form a right triangle Look in the picture for the answers class=

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14-02-2018

Pythagoras' Theorem only works with right angle triangles.

A makes a right angles triangle because:
√3² + 4² = 5

However B doesn't because:
√7² + 8² = 10.631 (which is not 9)

Nor does C because:
√3² + 9² = √90 (which is not √95)

So the answer is A

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