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77julia77 [94]
3 years ago
14

Help!!!!! please!!!!!

Mathematics
1 answer:
Kobotan [32]3 years ago
3 0

Answer:

=891 unit^2

Step-by-step explanation:

area= 1/2× apothem× perimeter

=1/2× 16.5×12×9

=891 unit^2

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