Respuesta :

Answer:

The answer for X would be 2.5

Step-by-step explanation:

The base of a triangle is B=2(Area/Height)

The area is 15 because its on both sides and the height is 12

the answer is (15/12)*2 which equals 2.5

Answer: X = 18

Explanation: Alright, lets use the pythagorean theorem. 3sqrt(5^2-4^2) = 9, and therefore, x = 18.