Answer:
x = 22.5° B = 67.5
Step-by-step explanation:
90° + 3x° + x° = 180°
4x = 90°
x = 22.5°
Answer: x= 22.5, angle B = 67.5
90+3x+x= 180
4x = 90
x=22.5
3(22.5)= 67.5
x > 29
-x < -29
~Divide -1 to both sides
Best of Luck!
120 cm squared
the answer is 7 because all of the other numbers opposites aren't negative
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