Four plates

Four equal maximum sized circular plates are cut off from a square paper sheet of area 784 sq cm. Calculate the circumference of each plates.

Correct answer:

o1 =  44 cm

Step-by-step explanation:

S=784 cm2  S = a2  a=S=784=28 cm  a/2 = d  r=a/4=28/4=7 cm  o1=2π r=2 3.1416 7=44 cm



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