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September 21, 2014

September 21, 2014

Posted by **Megan** on Monday, October 11, 2010 at 10:06pm.

- Geometry -
**Henry**, Tuesday, October 12, 2010 at 9:43pmX = Comp,

2x + 40 = supp,

1. A + X = 90,

A = 90 - X,

2. A + (2X + 40) = 180,

Substitute 90 - x for A:

(90 - X) + (2X + 40) = 180,

-X + 2X + 90 + 40 = 180,

X + 130 = 180,

X = 180 - 130,

X = 50,

Substitute 50 for x in Eq 1:

A + 50 = 90,

A = 90 - 50,

A = 40.

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