Question

Find the value of b help me please

Answer 1

Answer:

sqrt(2)

Step-by-step explanation:

Answer 2

Answer:

$b = \sqrt{2}$

Step-by-step explanation:

$\cos \: 60 \degree = \frac{b}{2 \sqrt{2} } \\ \\ \frac{1}{2} = \frac{b}{2 \sqrt{2} } \\ \\b = \frac{2 \sqrt{2} }{2} \\ \\ b = \sqrt{2}$