Find the indicated side of the right triangle
12, 30°, b, a
b = [?]√[?]
![Find the indicated side of the right triangle 12 30 b a b class=](https://us-static.z-dn.net/files/d66/b536a5468f6bd6643baf0adf1a72f0d2.png)
Answer:
a = 6
b = 6√3
Step-by-step explanation:
Using Trigonometric ratio,
sin 30⁰ = a / 12
a = 12sin30⁰
a = 12 × 1/2
a = 6
Also, cos 30⁰ = b / 12
b = 12 cos30⁰
b = 12 × √3 / 2
b = 6√3