Answer:
45
Step-by-step explanation:
x + x + 2x = 180 {Sum of angles of a triangle}
4x = 180 {Divide both sides by 4}
x = 180/4
x = 45
..
Angle CBA = 90 degrees.
Squares make 90 degree angles on all 4 angles.
Option 1 and 3
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Answ
2x^3+4x^2-2
