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Help please! What is Y?
Triangles!

Help please! What is Y? Triangles!-example-1
User DBedrenko
by
5.6k points

1 Answer

3 votes

Answer:

21

Explanation:

Two small triangles are similar, so

y : 3 = 7 : y

y² = 21


y=√(21)

User Clawr
by
5.0k points