2 years ago

Solve for x A.30B.45C.60D.90

2 answers:

8 0

Answer: A

Angle C is 90 degrees. And the overall degree of this triangle should be 180 degrees. With simple algebra the equation is 180= 90 + 2x + x
Add like terms 180=90+3x
Subtract 90 on both sides. 90= 3x
Divide 90 by 3 and x=30

BARSIC [14]2 years ago

6 0

2x+x+90 = 180

3x = 180-90

3x = 90

x=30

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Solve for x A.30B.45C.60D.90​

Solve for x A.30B.45C.60D.90