SmartMath

Also: the letter "A" has an acute angle. Be Careful What You Measure The smaller angle is an Obtuse Angle , but the larger angle is a Reflex Angle So when naming the angles make sure that you know which angle is being asked for ! Positive and Negative Angles When measuring from a line: a positive angle goes counterclockwise (opposite direction that clocks go) a negative angle goes clockwise Example: −67°   Parts of an Angle The corner point of an angle is called the vertex And the two straight sides are called arms The angle is the amount of turn between each arm. How to Label Angles There are two main ways to label angles: 1. give the angle a name, usually a lower-case letter like a or b , or sometimes a Greek letter like α (alpha) or θ (theta) 2. or by t...

1. the act or process of dividing; state of being divided. 2. the arithmetic operation inverse to multiplication; the process of ascertaining how many times one number or quantity is contained in another. 3. something that divides or separates; partition. 4. something that marks a division; dividing line or mark. 5. one of the parts into which a thing is divided; section. 6. separation by difference of opinion or feeling; disagreement. 7. the separation of a legislature or other assembly into two groups in taking a vote. 8. one of the parts into which a country or an organization is divided for political, judicial, military, or other purposes. 9. a. (in the army) a major administrative and tactical unit, larger than a brigade and smaller than a corps. b. (in the navy) a tactical group of usu. four ships, part of a fleet or squadron. 10. an administrative unit of an...

What is an Equation? An equation says that two things are equal. It will have an equals sign "=" like this: x − 2 = 4 That equations says: what is on the left (x − 2) is equal to what is on the right (4) So an equation is like a statement " this equals that " What is a Solution? A Solution is a value we can put in place of a variable (such as x ) that makes the equation true . Example: x − 2 = 4 When we put 6 in place of x we get: 6 − 2 = 4 which is true So x = 6 is a solution. How about other values for x ? For x=5 we get "5−2=4" which is not true , so x=5 is not a solution . For x=9 we get "9−2=4" which is not true , so x=9 is not a solution . etc In this case x = 6 is the only solution. More Than One Solution There can be more than one solution. Example: (x−3...