Answer:
D, 23
Explanation:
In order to find b use sin
Sin (30) = b/46
Sin (30) = b/46b = sin (30) × 46
Sin (30) = b/46b = sin (30) × 46b = 1/2 × 46
Sin (30) = b/46b = sin (30) × 46b = 1/2 × 46b = 23
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