In triangle ABC, angle C is 90 degrees, BC = 20, tg of angle A = 0.5. Find the AC.
| November 17, 2020 | education
in triangle ABC, angle C is 90 degrees, BC = 20, tg of angle A = 0.5. Find the speaker
to begin with, find TgA
TgA = BC / AC = 0.5
now and ace
AC = BC / tgA = 20 / 0.5 = 40
answer: 40
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