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ludmilkaskok [199]
3 years ago
15

In the triangle below,

Mathematics
1 answer:
defon3 years ago
3 0

Answer: y ≈ 10.6 cm

Step-by-step explanation:

The cosine function relates the adjacent side to the hypotenuse in a right triangle. The side adjacent to the 20° angle is 10 cm.

cos(20°) = (10 cm)/y

y = (10 cm)/cos(20°)

y ≈ 10.6 cm

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