Question

I need help with this practice problem It’s from my trig prep guide

Answer 1

We know that π = 180°, therefore:

1.

$2\pi=2(180)=360$

Answer: correct

2.

$\frac{5\pi}{6}=\frac{5(180)}{6}=\frac{900}{6}=150$

Answer: no correct

3.

$\frac{\pi}{6}=\frac{180}{6}=30$

Answer: no correct

4.

$\frac{5\pi}{4}=\frac{5(180)}{4}=\frac{900}{4}=225$

Answer: correct

5.

$\frac{4\pi}{3}=\frac{4(180)}{3}=\frac{720}{3}=240$

Answer: correct