Answer:
XZ ≈ 14.4 cm
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos29° =
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ℎ
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hypotenuse
adjacent
=
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XZ
ZY
=
12.6
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XZ
12.6
Multiply both sides by XZ
XZ × cos29° = 12.6 ( divide both sides by cos29° )
XZ =
12.6
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29
cos29
12.6
≈ 14. 4 ( to 3 sig. figs