Answer:
C 296 ft
Step-by-step explanation:
hypotenuse^2 = side1^2 + side2^2
==> hypotenuse^2 = 10^2 + 14^2
==> hypotenuse^2 = 100 + 196
==> hypotenuse^2 = 296
==> hypotenuse = square root (296)
==> hypotenuse = 17.2046505
The length of the missing side = 296 in radical form
