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Conventionally, angles in the coordinate plane are measured, starting from 0 along the x-axis and increasing in the anti-clockwise direction.
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How does reflecting or rotating a figure change the interior angles of the figure?
The angles have the same measure. In the reflection the order of the angles are changed from clockwise to counterclockwise.
Standard methods of measuring angles?
1/3 rotation counterclockwise
What are the first signs that the landlady is very odd?
angles and saxons
Why are cosines positive and negative?
Because the cosine of some angles is positive and the cosine of some other angles is negative.
Why do you get a positive answer when you multiply two alike signs?
You get a positive answer when multiplying two alike signs because since its an even number of positive signs, the number will be positive. For example, -2 x -4= 8 since there are an even amount of negative signs.
Positive rotation of a vector is?
counterclockwise
How does reflecting or rotating a figure change the interior angles of the figure?
The angles have the same measure. In the reflection the order of the angles are changed from clockwise to counterclockwise.
Standard methods of measuring angles?
1/3 rotation counterclockwise
What does a and a and equall?
a(-)and a(-)=positive a(+)and a(+)=positive but a(-)and a(+) or a(+)and a(-)= negative so two signs the same is positive and two signs that are different are negative.
What are the first signs that the landlady is very odd?
angles and saxons
Why are quadrants numbered counterclockwise?
It is because angles are measured counter-clockwise for the horizontal x-axis.
Why are cosines positive and negative?
Because the cosine of some angles is positive and the cosine of some other angles is negative.
Why do you get a positive answer when you multiply two alike signs?
You get a positive answer when multiplying two alike signs because since its an even number of positive signs, the number will be positive. For example, -2 x -4= 8 since there are an even amount of negative signs.
When dividing a positive number by a positive number the quotient is?
The answer is always positive. If the signs are the same (positive by positive, negative by negative), then the quotient is always positive. If the signs are different (positive by negative, negative by positive), then the quotient is always negative.
Why go counterclockwise in geometry?
Acute angles are usually measured this way. It is nothing more than a convention.
What are positive and negative angle?
positive and negative angles of 87 degrees
When adding two numbers and the signs are positive the sum is what?
Positive.
