The statement is always true because right angles measure 90 degrees and if you add them you get 180 and supplementary angles are angles that add up to 180.
Hope this helps :)
Beachside it is supposed to be 619 into that form
195 is the answer because you replace x with 10
Step-by-step explanation:
825-630=195
Answer = about 6,400 yards squared
Step-by-step explanation: