Respuesta:
A = 550 cm²
Explicación paso a paso:
A = (B + b ) x h / 2
datos
B = 30 cm
b = 25 cm
h = 20 cm
A = ( 30 cm + 25 cm ) x 20 cm / 2
A = 55cm x 20 cm / 2
A = 1100 cm² / 2
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Respuesta:
A = 550 cm²
Explicación paso a paso:
A = (B + b ) x h / 2
datos
B = 30 cm
b = 25 cm
h = 20 cm
A = ( 30 cm + 25 cm ) x 20 cm / 2
A = 55cm x 20 cm / 2
A = 1100 cm² / 2
A = 550 cm²