In right triangle ABC right angled at B, AB = 30 m and AC = 60 m.Find LA.
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Answer:
good evening
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Step-by-step explanation:
sin90/AC=sinA/BC
BC=√3600-900=√2700=30√3
1/60=sinA/30√3
sinA=30√3/60=√3/2
sinA=√3/2
angle A=60°
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