Pizza

Pizza with a diameter of 40 cm weights 409 g. What diameter will a pizza weigh 764 g made from the same cloth (same thickness) and decorated?

Final Answer:

d2 =  54.7 cm

Step-by-step explanation:

d1=40 cm m1=409 g m2=764 g  m1 = ρ S1  r1=d1/2=40/2=20 cm S1=π r12=3.1416 2021256.6371 cm2  ρ=m1/S1=409/1256.63710.3255 g/cm2  ρ = m2/S2  S2=m2/ρ=764/0.32552347.3612 cm2  S2 = π r22  r2=S2/π=2347.3612/3.141627.3347 cm  d2=2 r2=2 27.3347=54.7 cm



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