Could someone find the area of this shape

https://imgur. com/a/M0hjnSK

Using d, e, and f as values on a triangle and d being 60 degrees, what is the value of e and f if d is 60 degrees? also, what do you notice about the values of e and f?

What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80