How long is side h?

If o = 10ft and a = 17ft, how long is side h?

A. 19.7ft
B. 17.9ft
C. 18ft
D. Not enough information to solve
E. 19.3ft

Correct Answer: A
Explanation/Reference:
Explanation:
This problem is solved using the Pythagorean theorem (a² + b² = c²). In this formula a and b are the legs of the right triangle while c is the hypotenuse.
Using the labels of our triangle we have:
o² + a² = h²
h² = (10ft)² + (17ft)²
h² = 100ft² + 289ft²
h =


→19.7ft

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