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kipiarov [429]
3 years ago
12

How do I find side a?

Mathematics
2 answers:
il63 [147K]3 years ago
6 0

Answer: find a

Step-by-step explanation:

nika2105 [10]3 years ago
5 0

Answer:

a=18

Step-by-step explanation:

the triangles are similar, so the coefficient k is \frac{30}{20}

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

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