#### Answer

297 $cm^{2}$

#### Work Step by Step

Perimeter = 7 cm + 8 cm + 12 cm
Perimeter = 27 cm
Lateral area = perimeter $\times$ h
Lateral area = 27 cm $\times$ 11 cm
Lateral area = 297 $cm^{2}$

Published by
Brooks Cole

ISBN 10:

ISBN 13:

297 $cm^{2}$

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