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The hypotenuse of a right triangle is 26 cm. One of the shorter sides is 10 cm. How long is the third side?

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Pythagoras Theorem is about a property of all triangles with a right-angle. If a triangle has one angle which is a right-angle (i.e. 90o) then there is a special relationship between the lengths of its three sides. This theorum is named after the Greek mathematician, Pythagoras. 


The hypotenuse of a right triangle is 26 cm. One of the shorter sides is 10 cm. How long is the third side?





 
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