Please i will give you 23 points\

asked Feb 12, 2023 229k views

4 votes

$Please i will give you 23 points\-example-1$

3.5k points

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11 votes

Answer:

x ≈ 45.6°

Explanation:

using the Cosine rule in the triangle

cos x =
(8^2+15^2-11^2)/(2(8)(15)) =
(64+225-121)/(240) =
(168)/(240) , then

x =
cos^(-1) (
(168)/(240) ) ≈ 45.6° ( to 1 dec. place )

LoneRanger answered Feb 16, 2023

4.2k points

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