Study Guide

3. The measure of a region’s size on a surface.
6. An angle smaller than the right angle.
11. When the same quantity is added to both sides of an equation, the equation does not change.
12. A number that is multiplied by a variable.
14. To have the same shape and size.
16. A percentage of total sales as determined by the rate of commission.
17. A distinctive three-dimensional geometric figure with a flat and curved surface pointed towards the top.

1. An easier way to write a repeating number by putting a line, or bar, over the repeating numbers.
2. The total count of digits used to express numbers in a number system.
3. The non-negative value of x without regard to its sign.
4. A point that is the same distance from all the extremities of a figure.
5. An expression which is made up of variables and constants, along with algebraic operations.
7. The distance around the boundary of a circle.
8. The largest factor that all the numbers share.
9. Two angles with a common vertex and a common side.
10. The value, which on adding with the original number results in zero.
13. A value that doesn't change.
15. When the sum of two angles is 90°.