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Marina86 [1]
3 years ago
8

Can someone please help me figure out how to solve for x?​

Mathematics
1 answer:
Anna007 [38]3 years ago
8 0

Answer:

x=30

Step-by-step explanation:

Both triangles in this figure are similar. Therefore, we can set up the following proportion:

\frac{21}{x}=\frac{14}{20}.

Cross-multiply to solve:

14x=21\cdot 20,\\x=\frac{21\cdot20}{14},\\x=\fbox{$30$}.

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