Answer:
perimeter goes with the one that has 5x^2
i dont know the second im sorry
Step-by-step explanation:
Exact value of x will be 8 x sin(60)
Exact value of sin 60 = √3/2
So √3/2 x 8= 8 √3/2
Can be simplified to 4 √3
I'm guessing it is C because after you solve for n (you need to multiply the five over to isolate n), you get 20.
Answer:
u have to use derieved form of formula of sin and cos
