Answer:
Add 360° to find a positive coterminal angle. Subtract 360° to find a negative coterminal angle. Angles that measure 240° and –480° are coterminal with a –120° angle.
Step-by-step explanation:
Answer:
The measure of the smallest angle is 
Step-by-step explanation:
<u><em>The picture of the question in the attached figure</em></u>
we know that
---> by Angle Addition Postulate
substitute the given values

solve for x


Find the measure of each angle
substitute the value of x

therefore
The measure of the smallest angle is 
The answers are a, c, d, e
Answer:
option b is an arithmetic sequence.
Step-by-step explanation:
you add 6.5 to the 1st term to get the proceeding term and so forth. is each number in the sequence has a difference of 6.5
Answer: $217.
Step-by-step explanation:
So he starts with 28 dollars. We want to find out how much total he makes. To do so we multiply 21 by 9 because he sells 21 ornaments at $9. 21 x 9 = 189. 189 + 28 = 217. So with the $28 from the start, he made $217.