Directions: 1. Identify what is the key concept of the different properties of angle. 2. Match A from column B. Write your answer in the given space before the number. ANSWERS B 1) Supplementary Angles 2) Complementary Angles A. Two angles have common side B. Non- adjacent angles formed by two intersecting lines with equal angles. C. Two lines intersect and measure of a straight angle of 180 degrees. D. Two angles are sum of 180 degree. E. Two lines meet at a right angle 90 degrees F. Those are lines that does not meet. 3) Adjacent Angles 4) Congruent Angles 5) Vertical Angles 6) Linear Pairs 7) Perpendicular Lines G. Two angles are sum of 90 degree. 8) Parallel Lines H. Two angles with the same measurement.
Angles in Circles
Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.
Arcs in Circles
A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.
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