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stealth61 [152]
3 years ago
9

The two triangles are similar. What is the value of x?

Mathematics
1 answer:
Lena [83]3 years ago
5 0

Answer:

21

Step-by-step explanation:

Ratios are used.

10/30 = 12/36 = 7/x

1/3 = 7/x

x = 3*7 = 21

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