Respuesta :

Answer:

Step-by-step explanation:

2+7+2 seems to be right which is 11

2+7+2 = 11 ft

πd

7π = 21.98

21.98/2 = 10.99

10.99+11 = 21.99 ft

The mistake was that however they may have solved what 7π was, it is a semi-circle so they have forgotten to half 7π

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