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Solve for x

A.30

B.45

C.60

D.90​


Solve For X A30B45C60D90 class=

Sagot :

2x+x+90 = 180

3x = 180-90

3x = 90

x=30

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