Answer:
Impossible to solve this problem with the info given
Step-by-step explanation:
The altitude of the triangle is 20.1 according to the drawing. That is a leg of the right triangle and 18 is the length of the hypotenuse. But, the hypotenuse of a right triangle must be longer than either leg. So, the 20.1 in the drawing must be incorrect. Or the 18 is incorrect.