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Find the length of the missing side

Find the length of the missing side-example-1
User Friederike
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Use Pythagoras Theorem.
c^2=a^2+b^2 where c^2 is the longest side.

17^2=15^2+b^2
289=225+b^2
b^2=64
Therefore b=8( -ve rejected)
User Richboy
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