Respuesta:
Explicación paso a paso:
A = π x r²
a) A = 3,1415 x ( 18 cm )² A = 1017,87 cm²
b) A = 3,1415 x ( 15 dm )² A = 706,86 dm²
c) A = 3,1415 x ( 5 m )² A = 78,54 m²
b) A = 3,1415 x ( 8,6m )² A = 232,35m²
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Respuesta:
Explicación paso a paso:
A = π x r²
a) A = 3,1415 x ( 18 cm )² A = 1017,87 cm²
b) A = 3,1415 x ( 15 dm )² A = 706,86 dm²
c) A = 3,1415 x ( 5 m )² A = 78,54 m²
b) A = 3,1415 x ( 8,6m )² A = 232,35m²