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How do I find side a?
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4 votes
How do I find side a?

How do I find side a?-example-1
User Richardd
by
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1 Answer

5 votes

Answer:

a=18

Explanation:

the triangles are similar, so the coefficient k is
(30)/(20)


(a)/(12)=(30)/(20) \\a= (30*12)/20=360/20=18

User Yunus Kula
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