Find f(3) if f(x) = 2x^2+x
1 answer:
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Answer:
KL = 23
KM = 29
Step-by-step explanation:
By applying cosine rule in the given triangle KLM,
cos(∠M) =
cos(52°) =
cos(52°) =
KM =
KM = 29.24
KM ≈ 29
By applying sine rule,
sin(52°) =
sin(52°) =
KL = 29.24[sin(52°)]
= 23.03
≈ 23
KL = 23