1 Answer

Feedy · Answer 1 · 2019-10-31T11:15:25+0000

The correct answer is: AC =
9 √(3)

Step-by-step explanation:
Since

$sin(\theta) = perpendicular/hypotenuse$

Here

$\theta$ = 60°

Perpendicular = x = ?
Hypotenuse = AB = 18

So
Perpendicular = A = sin(60)*18
x = AC =
9 √(3)

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