3 years ago

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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