Question 33
Triangles and QuadrilateralsFind the value of x in the figure above.
- A.20√6
- B.15√6
- C.5√6
- D.3√6
Show the answer and explanation
Answer: C (5√6)
Explanation
By the sine rule, x/sin 45° = 15/sin 60°, so x = 15 × (√2/2)/(√3/2) = 15√2/√3 = 5√6.