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How do you solve this trigonometry problem? Thank you

How Do You Solve This Trigonometry Problem Thank You class=

Sagot :

Answer:

3348 ft

Step-by-step explanation:

sin 21° = BC/AB = 1200/AB

AB = 1200 / sin 21° = 1200 / 0.358 =  3352 ≈ 3348