Answer:
Step-by-step explanation:
When the height of the rightangle is drawn to the hypotenuse, the hypotenuse is divided into two parts that when multiiplied = the square of the height.
x^2 (the height) = 16 * 9
x^2 = 144 Take the square root of both sides
sqrt(x^2) = sqrt(144)
x = 12
