Diameter 6041

We baked a cake with a diameter of 26 cm. We watered it with icing. The dog licked 45% of the icing. What area did we have left?

Correct answer:

S2 =  292.011 cm2

Step-by-step explanation:

D=26 cm r=D/2=26/2=13 cm  S1=π r2=3.1416 132530.9292 cm2  S2=(145/100) S1=(145/100) 530.9292=292.011 cm2

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