Substitute the value of x in the example into the second
equation, y + 2x = 3. What value do you get for y? Is it
the same solution as in the example problem?

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

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.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)