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vodomira [7]
3 years ago
9

Please heellllpppp ....​

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
6 0

Answer:

x ≈ 2.3 cm

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos55° = \frac{adjacent}{hypotenuse} = \frac{x}{4} ( multiply both sides by 4 )

4 × cos55° = x , thus

x ≈ 2.3 cm ( to 1 dec. place )

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