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February 28, 2015

February 28, 2015

Posted by **sakina** on Friday, July 8, 2011 at 9:59am.

- maths -
**Henry**, Saturday, July 9, 2011 at 3:32pmA = 2x.

B = 3x.

A + B = 180 deg.

2x + 3x = 180,

5x = 180,

x = 36,

2x = 2*36 = 72 = A = Smaller angle.

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