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What´s the answer in radical form

What´s the answer in radical form-example-1
User Dorjeduck
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1 Answer

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13 votes

Explanation:

Pythagoras

c² = a² + b²

c being the Hypotenuse (the line opposite of the 90° angle) of the right-angled triangle.

9² = 5² + side²

81 = 25 + side²

56 = side²

side = sqrt(56) = sqrt(4×14) = 2×sqrt(14)

User Kalle Gustafsson
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