Answer:
x = 20°
Step-by-step explanation:
The angle measures should add up to 180 degrees. So that leaves us with 100 degrees left to find if we take out the 80 given.
3x + 2x simplifies to 5x. 5x must equal 100.
100/5 = 20.
Therefore x = 20.
Answer:Please include images of the graphs!
Answer:
The formula of area is Pi×R×R
and then you add all sides and answer of your question is 30cm