Oblicz pole powierzchni koła o promieniu 1,5cm.
Dam 10 punktów za dobre rozwiązanie.
pole koła-πr²
P=π*1,5²
P=π*2,25
P=2,25π
P= \pi r^2 [/tex]r=1,5cm P= \pi * 1,5^2 P= 2,25 \pi cm^2[/tex]
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pole koła-πr²
P=π*1,5²
P=π*2,25
P=2,25π
P= \pi r^2 [/tex]
r=1,5cm
P= \pi * 1,5^2 P= 2,25 \pi cm^2[/tex]