Percentage of waste

In a square plate with a side 58 cm, we cut four same circles. Calculate the percentage of waste.

Final Answer:

p =  21.46 %

Step-by-step explanation:

a=58 cm  S1=a2=582=3364 cm2 r=a/4=58/4=229=14.5 cm S2=π r2=3.1416 14.52660.5199 cm2  p=100 S1S14 S2=100 336433644 660.5199=21.46%



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