Find the measurement angle of CDL
2 answers:
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For the expression 
, the coefficient of the x² term is 1.
Answer:
<h2>x = 10</h2>Step-by-step explanation:
If the triangles are similar, then the corresponding sides are in proportion:
<em>cross multiply</em>
<em>use distributive property </em><em>a(b + c) = ab + ac</em>
<em>subtract 20x from both sides</em>
