Question

Help please I’ll mark you

Answer 1

I'm not really sure but I think it's 160°

Explanation:

ST is equal to 30° x 2 so 60°

Now, you'll do 60+140 which equals to 200°

A full circle is 360° so, 360 - 200 = 160°

Ps: I'm not sure but I think this is correct.

I hope this helps :)