Question

Could someone help me with this question and explain how it is down so I can do other ones similiar to it? ^_^ http://gyazo.com/b0b2ba8a088515e61c25310a8a11b5d1

Answer 1

Theorem: If an altitude is drawn to the hypotenuse of a right triangle, either leg of the triangle is the geometric mean between the length of the hypotenuse and the segment of the hypotenuse adjacent to that leg.

Answer 2

Crank this out for x:

12/x = x / 16