Secants, Tangents, and Angles (Sec 10-5)

Question 1

47✔ 5053100

Revolt · Accepted Answer

B: 50

Question 2

Which formula would be used to find the measure of angle 1?

Revolt · Accepted Answer

D: (a° – b°).

Question 3

What is the measure of angle ABC?

Revolt · Accepted Answer

A: 42.5°

Question 4

Question 4

Revolt · Accepted Answer

116546

Question 5

central angles theorem✔ inscribed angle theoremangle formed by secants or tangents theoremangle formed by two chords theorem

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B: inscribed angle theorem

Question 6

What is the measure of angle AOC?

Revolt · Accepted Answer

C: 66°

Question 7

Question 7

Revolt · Accepted Answer

116555

Question 8

Question 8

Revolt · Accepted Answer

116556

Question 9

A satellite views the Earth at an angle of 20°. What is the arc measure, x, that the satellite can see?

Revolt · Accepted Answer

C: 160°

Question 10

Question 10

Revolt · Accepted Answer

No, it is not possible for the two tangents to intersect. By definition, a tangent is perpendicular to the radius at the point of tangency. Since the tangents are at opposite endpoints of the same diameter, they are both perpendicular to the same line (the diameter). Therefore, the two tangent lines are parallel and will never intersect. Alternatively, the measure of the angle formed by two tangents is half the difference of the intercepted arcs. If the endpoints are a diameter, both arcs are 180 degrees, and half of (180 - 180) is 0, meaning no angle or intersection is formed.

Secants, Tangents, and Angles (Sec 10-5) Answers

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