Question

In ΔABC, A= 30, B=120 and a= 6cm. Find the value of b, correct to 1 decimal place

Answer 1

Answer:

About 10.4 cm

Step-by-step explanation:

By the Law Of Sines:

$\dfrac{6}{\sin 30}=\dfrac{b}{\sin 120} \\\\\\b=\dfrac{6}{\sin 30}\cdot \sin 120\approx 10.4\text{ cm}$

Hope this helps!