AnswersKY-Geometry B-CRSecants, Tangents, and Angles (Sec 10-5)

Secants, Tangents, and Angles Answers

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

A
(a° + b°).
Option A
B
(a° – c°).
Option B
C
(b° + c°).
Option C
D
(a° – b°).
Option D
2
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What did you include in your response? Check all that apply.

A
When two tangents intersect outside a circle, the angle formed has a measure that is one half the difference of the intercepted arcs.
B
The measures of the intercepted arcs are both 180 degrees.
C
One half times (180 – 180) = 0.
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What are the measures of angles 1 and 2?

Answers:
m∠1 = °:50
m∠2 = °:130
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47100✔ 130 133

A
47
B
100
C
✔ 130
D
133
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What are the measures of angles 1 and 2?

Answers:
Angles JHI and GJH are inscribed angles. We have that m∠JHI = b and m∠GJH = a by the . Angle JHI is an exterior angle of triangle . Because the measure of an exterior angle is equal to the sum of the:GJH
Angles JHI and GJH are inscribed angles. We have that m∠JHI = b and m∠GJH = a by the . Angle JHI is an exterior angle of triangle . Because the measure of an exterior angle is equal to the sum of the:substitution property
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BEAFJI✔ GJHJIH

A
BEA
B
FJI
C
✔ GJH
D
JIH
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reflexive property✔ substitution propertysymmetric propertytransitive property

A
reflexive property
B
✔ substitution property
C
symmetric property
D
transitive property
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⇒ 250

Answer:

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