If triangle jkl is similar to triangle nml find the values of x and y

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Im literally having a mental breakdown

In the diagram of circle o, what is the measure of zabc?