Total area: pi*9^2 = 81pi
Shaded area = Total area / 3, because 120/360 = 1/3
So Shaded area = 81pi/3 = 27pi
Ok so all you do is add 150+70+15+1000. That equals to $1235
Set up the equation. On a piece of paper, write the dividend (number being divided) on the right, under the division symbol, and the divisor (number doing the division) to the left on the outside. ...
Divide the first digit.
Divide the first two digits.
Enter the first digit of the quotient.
(See image attached for an example)