Option A, 9 cot 70°
Step-by-step explanation:
ΔABC is a right angle triangle in which AC = 9 in
∠ ABC = 70°
and we have to find the length of BC ( base of the stand )
tan 70° =
BC =
BC = 9 cot 70° [ = cot 70° ]
Option A, 9 cot 70° is the answer.
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step-by-step explanation:
egge
english, cause i can’t you