3 years ago

Can anyone help? I don't know what I did wrong and need some help finding the answer.

1 answer:

fgiga [73]3 years ago

3 0

Answer:

57.1

Step-by-step explanation:

Using cosine rule

Cos¤ = 21/25

Cos¤ = 0.84

¤ = 57.12 appropriately 57.1

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