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Can you please help me?
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8 votes
Can you please help me?

Can you please help me?-example-1
User Noteness
by
6.4k points

1 Answer

4 votes

Answer:

∠ BAC ≈ 67.4°

Explanation:

Using the sine ratio in the right triangle.

sinA =
(opposite)/(hypotenuse) =
(BC)/(AB) =
(12)/(13) , then

∠ A =
sin^(-1) (
(12)/(13) ) ≈ 67.4° ( to 1 dec. place )

User Tooony
by
5.2k points
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