Since supplementary angles are angles that equal to 180, you first need to subtract 40 from 180 to find out what the equation equals. This is the layout of the equation. 140=4x+20. Next you subtract 20 from each side, 120=4x then you divide by 4 four, x=30.
Answer:
45
Step-by-step explanation:
180 - 135 = 45
The measure of angle 2 is 45.
Answer:
19.4 cubic meter
Step-by-step explanation
Round your answer to the nearest tenth of a cubic centimeter.
If you add the price of the ticket and drink it comes out to 12.25, subtract from 25 and the answer is 12.75
