2 answers:
Answer:
x = 4
Step-by-step explanation:
If the triangles are similar then the ratios of corresponding sides must be equal, that is
=
, substitute values
=
( cross- multiply )
10(2x - 1) = 70 ← distribute left side
20x - 10 = 70 ( add 10 to both sides )
20x = 80 ( divide both sides by 20 )
x = 4
Answer:
<em>Answer is </em><em>x</em><em>=</em><em>4</em>
Step-by-step explanation:

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