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blsea [12.9K]
3 years ago
15

Plz help ASAP 15 points 4. XY is tangent to circle Zat point Y. Xw is tangent to circle Zat point W.

Mathematics
2 answers:
Sladkaya [172]3 years ago
8 0

Answer: 4.8 units

Step-by-step explanation:

mars1129 [50]3 years ago
4 0

9514 1404 393

Answer:

  A.  4.8 units

Step-by-step explanation:

Segment ZX can divide the figure into two right triangles. Then angle XZY is 136°/2 = 68°. The tangent relation tells you ...

  Tan = Opposite/Adjacent

  tan(68°) = XY/r

  r = 12/tan(68°) ≈ 4.848 ≈ 4.8

The radius of the circle is about 4.8 units.

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