3 years ago

I need help and work shown please

Mathematics

1 answer:

salantis [7]3 years ago

4 0

9514 1404 393

Answer:

x ≈ 32.4

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relation between angle, adjacent side, and hypotenuse:

Cos = Adjacent/Hypotenuse

cos(72°) = 10/x

x = 10/cos(72°)

x ≈ 32.4

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