3 years ago

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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