Answer:
add all the sides that you have and subtract it from 180
Step-by-step explanation:
I haven't had the courage to look it up and I won't. lol

First let

, so that

to write the integral as

Now recall that

, so substituting

should do the trick. The integral then becomes
66 because you divide 100 by 90 that multiply that number by 60
Answer:
(-7)
Step-by-step explanation:
just plug in the number in the x place to solve