Answer:
8/x = x/20
x^2=160
x=sqrt(160)
x=sqrt(16*10)
x=sqrt(16)*sqrt(10)
x=4*sqrt(10)
Step-by-step explanation:
Cos(60) = cos(90 - 30) = sin(30) = 1/2
This should be what you want.
1. It is extracted from the ground.
2. It took years to form.
Answer:
a.4
Step-by-step explanation:
because
