Find the area , you usually solve it by using the special right triangle , but its not 30,60, or 90 . so i don’t know how to solve it using it with 36 degrees

What are the soultion(s) to the quadratic equation 40- x^2=0

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks