2) Maria and her parents are hiking in the mountains. During one hike, Maria monitored their changing elevation and displayed it in the graph below. Maria's Elevation Over Time 250 200 150 100 so Which of the following best describes a functional relationship shown in the graph? A Maria's elevation remained constant for two hours. B. Maria's elevation decreased between 1:00 and 3:00. C. Maria's elevation increased between 9:00 and 12:00. D. Maria spent more time decreasing her elevation than increasing her elevation. Elevation (feet)
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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