A sector is a portion of a circle enclosed by two radii and an arc. It is similar to a slice of pie or a pizza slice. The measure of a sector is typically given in degrees.
A chord is a straight line segment that connects two points on the circumference of a circle. It can be thought of as a line segment within a circle. The length of a chord can vary depending on the position of the two points on the circumference. A chord that passes through the center of the circle is known as the diameter.
What is a sector ,what is a chord
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