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Whitepunk [10]
3 years ago
5

Find the measure of the arc or angle indicated assume that lines which appear tangent are tangent

Mathematics
1 answer:
REY [17]3 years ago
6 0

Answer:

  17.  C 60°

  18.  D 121°

Step-by-step explanation:

The external angle is half the difference of the intercepted arcs.

17. (161° -41°)/2 = 60°

__

18. (? -59°)/2 = 31°

  ? = 59° +2(31°) = 121°

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Step-by-step explanation:

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2 years ago
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nasty-shy [4]

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3 years ago
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cricket20 [7]
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4 0
3 years ago
Find the missing length. The triangles are similar.
Marina CMI [18]

Answer:

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