Question

find the reference angle for the given angle:
150 degrees(look in my comments plz)

Answer 1

30 degrees I believe.

Answer 2

we're learning about the area of a triangle \[A=1/2ab \sin \theta\] and Heron's formula and i'm really confused

Answer 3

ok, do you need to find the area of the above triangle or is it a different triangle you need to find the area of?

Answer 4

the example in my book looks like this then it solves it but the all the problems say is find the reference angle