danielahchf danielahchf

17-12-2018
Mathematics

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1# Find the missing variable (s). Round to the nearest tenth.

1 Find the missing variable s Round to the nearest tenth class=

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sqdancefan sqdancefan

21-12-2018

Answer:

7.9

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationship of the hypotenuse and the side opposite an angle:

... Sin = Opposite/Hypotenuse

For your geometry, this is ...

... sin(21°) = x/22

Multiplying by 22 gives ...

... x = 22·sin(21°) ≈ 7.9

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