Answer:
square
square has 2 pairs of parallele sides = 4 equal sides
I don't like these algebra problems which pretend to be geometry.
These are supplementary angles adding to 180 degrees; geometry done.
7x - 1 + 3x - 9 = 180
10 x = 190
x = 19
ABC=3x - 9 = 3(19) - 9 = 48
Answer 48°
Answer:
x= 40
y= 38
Step-by-step explanation:
7 because you have to round 6 to 7 from the former seven and seven is bigger than 4 so the 6 would become a
7
