Answer:
10.5%
Step-by-step explanation:
The tangent of the angle is the ratio of rise to run.
tan(angle) = grade
tan(6°) ≈ 0.105 = 10.5%
The grade will be 10.5% for an angle of elevation of 6°.
Answer: 
Step-by-step explanation:
Given
The central angle of a sector measures 
The radius of the circle is 
The area of the sector is given by

Insert the values

The answer is C I thought it was D at first
Answer:
42.294 or for the simplified version it is 42.30