In triangle ABC, angle C is 90, AB = 10, AC = 8. Find tg.

The tangent of an angle is the ratio of the opposite leg to the adjacent one.
By the Pythagorean theorem:
BC = √ (AB² – AC²) = √36 = 6;
tg A = BC / AC = 6/8 = 3/4.
Answer: tg A is 3/4.

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