The other answer is 12x2 – 8xy + 12x + y2 – 2<span>y</span><span />
The perimeter of parallelogram WXYZ is 22
Rational
Irrational
Rational
Rational
Irrational
From the reference of the 18 degree angle, 'h' is the opposite side and 100 is the adjacent side.
The trig ratio which uses both the opposite and adjacent sides is the tangent.
tan(18) = opp/adj = h/100
Trig equation:
tan(18) = h/100
40 tens=40x10=400
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