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Kör ter. r²Π=(d/2)²Π
sugár (r) / átmérő (d) | terület (T) |
---|---|
r = 1 cm | T = 3,14 cm² |
r = 2 cm | T = 12,56 cm² |
r = 3 cm | T = 28,26 cm² |
r = 4 cm | T = 50,24 cm² |
r = 5 cm | T = 78,5 cm² |
r = 6 cm | T = 113,04 cm² |
r = 7 cm | T = 153,86 cm² |
r = 8 cm | T = 200,96 cm² |
r = 9 cm | T = 254,34 cm² |
r = 10 cm | T = 314 cm² |
d = 4 dm | T = 12,56 dm² |
d = 6 dm | T = 28,26 dm² |
d = 8 dm | T = 50,24 dm² |
d = 10 dm | T = 78,5 dm² |
d = 12 dm | T = 113,04 dm² |
d = 14 dm | T = 153,86 dm² |
d = 16 dm | T = 200,96 dm² |
d = 18 dm | T = 254,34 m² |
d = 2 m | T = 3,14 m² |
d = 4 m | T = 12,56 m² |