3 years ago

SomEone PLEASE HELP ME!!!!

Mathematics

1 answer:

Lesechka [4]3 years ago

8 0

We have a law in geometry called ((power of a node)) the formula is:

$fe \times fd = {gf}^{2}$

according to the formula:

9(FD)=12^2 ==> FD=144/9=16

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