The answer is 240 simply multiply 12 x 20
Answer:

multiply x through out:

factorise out x²:

take square root on both sides:

The answer is 80, because that is what you get when you subtract 100 from 180 to get the third angle.
Answer:
It's Kalel
Step-by-step explanation:
You can think of it as What is P% of X?
Equation: Y = P% * X
And insert your numbers into P% and X, not Y though
Hope this helped :)
Answer:
h=35
Step-by-step explanation:
180-40=140
140/4=35