2010 · Q93
In a triangle ABC, ∠ABC = 90°, ∠ACB = 30°, AB = 5 cm. What is the length of AC ?
Elementary MathematicsTrigonometry
- A10 cm
- B5 cm
- C5 √2 cm
- D5 √3 cm
Explanation
AC=AB/sin30°=10 cm.
In a triangle ABC, ∠ABC = 90°, ∠ACB = 30°, AB = 5 cm. What is the length of AC ?
Explanation
AC=AB/sin30°=10 cm.