Respuesta :

Answer:

A = 1/2 × b × h

A = 1/2 × 60 × 30

A = 1/2 x 900

A = 450

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A = 1/2 x 6 x 18

A= 1/2 x 54

A = 27

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27 + 450 = 477

=477

Step-by-step explanation: