2x2 - 32 = 0 solve in factored form

Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?