Can someone do this with explanation and steps, thanks.

Mathematics

1 answer:

Blababa [14]2 years ago

8 0

Answer: $\color{yellow}{}$

»» ∆BDC

»» ∆BOA

»» <AC

»» <CB

»» A = 2:4 = 8>

»» <AC = 9, <BC

»» —8×9

A=72

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