Step-by-step explanation:
1. Multiply 18.5 by 6.
18.5 x 6 = 111
2. Subtract 129.25 by 111.
129.25 - 111 = 18.25
Therefore, the answer is A. 18.25
Answer:
B.)
Step-by-step explanation:
Area=theta/360*pi r^2 for any theta r
Answer:
Yes it is
Step-by-step explanation:
Hi!
We can see the river is a straight line.
This means that the angles that fall upon it are supplementary angles, and will add up to 180 degrees.
Therefore:

Combine like terms:

Subtract 21 from both sides:

Divide both sides by 3:

Therefore, the value of x is 53 degrees.
Answer:
A) 103
Step-by-step explanation:
x + 62 + 15 = 180
x + 77 = 180
x = 103