20 degrees. i have a protractor, and its really helpful! you should use one.

We'll represent Louise's, Tammy's, Delores's, and Sheryl's point values with
,
,
, and
respectively since each one is 1 point more than the last.
Add all of these values up and set it all equal to
.

Now, simplify.

Subtract
on both sides.

Divide both sides by
.

Since Louise's score is
, the answer is
.
<h3>Double-checking</h3>
To verify our answer, add the point totals
,
,
, and
.
This equals
, so we can be sure the answer is correct.
С = πD
С = 3,14×40
С = 126 in ← <span>to the nearest inch </span>
4y=16
y is the variable. If you were to solve the equation you would write the equation as 4(4)=16.
Answer:
trapezium................