5 )
x^2 = 5^2 + 5^2
x^2 = 2 × 5^2
x = √( 2 × 5^2 )
x = 5√2 cm
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6 )
x^2 = 30^2 + 40^2
x^2 = 900 + 1600
x^2 = 2500
x = √2500
x = 50 yards
