Determine whether each relation is an equivalence relation. Justify your answer. If the relation is an equivalence relation, then describe the partition defined by the equivalence classes. Ibegin(enumerate [label=(\alph")] \ item The domain is a group of people. Ferson Zjis related to person yunder relation Mlif zland yhave the same favorite color. You can assume that there is at least one pair in the group, Aand y such that zMy %Enter your answer below this comment line. |item The domain is the set of all integers. ZEif I+is even. Arn integer ais even if z= 24for some integer 411 %Enter vour answer below this comment line.
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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