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What is tangent line?
tan A = (sin A) / (cos A) tan (A)= opposite side length/adjacent side length A is an angle measurement; amount of degrees or radians. If a line is tangent to a curve, it only touches the curve at one point. looks like )| but the line is touching the curve. In a circle, the tangent line touches the circle at one point and is perpinducular to the circle's radius if it is touching that same point.
What is a line through a circle called?
A line that goes through a circle is a secant line. (Remember that a line is infinitely long.) Anyline that passes through a circle is a secant line, whether it passes through the center of the circle or not. Compare this to a line segment with endpoints on the circumference of a circle. That segment is called a cord of that circle. If the cord of a circle passes through the center of that circle, it is a diameter of that circle, which is the longest cord of the circle.
What is the symbol for perpendicular lines?
It is a vertical line touching a horizontal line
How many diagonals does a circle have?
If you are referring to the segment passing through the center of the circle and touching the circumference of the circle then it's the diameter of the circle.There can be infinite diameters drawn inside a circle.
Is the circle or straight line symbol on or off?
The line stands for "on" and the circle stands for "off".
