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10 cards from this deck
Hypotenuse² = sum of squares of other two sides
Side opposite right angle; longest side
h2=a2+b2h^2 = a^2 + b^2h2=a2+b2
Right-angled triangles only
Add squares of shorter sides, then square root
Subtract known side² from hypotenuse², then root
Opposite the right angle
Longest side
Taking square root before subtracting
Find missing side length in right-angled triangle
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