Suppose a tourist is visiting a city that has 6 tourist sites. The graph above is a representation of the six tourist sites and the roads that connect them. He wants to visit all 6 sites. He can take one path through the town that is an Eulerian circuit. Or he can take a path through the town that is a Hamiltonian cycle. a) Give the name of one such Eulerian circuit. b) Give the name of a Hamiltonian cycle. c) Give a reason why a tourist might like the Eulerian circuit better. d) Give a reason why a tourist might like the Hamiltonian cycle better.
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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