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Confused by work in screeenshot

Confused by work in screeenshot-example-1
User Henrique
by
4.8k points

1 Answer

4 votes

Answer:

b = 12 sqrt(3)

Explanation:

Since we have a right triangle we can use trig functions

cos theta = adjacent side / hypotenuse

cos 30 = b/c

cos 30 = b/24

24 cos 30 =b

24 * sqrt(3)/2 = b

12 sqrt(3) = b

User Ghasem Naddaf
by
4.5k points