September 2018 1 17 Report

Prosze o pomoc w rozwiązaniu zadań z matematyki .

1.Oblicz obwód koła

a) r = 2cm , a) r = 3cm

b) d =10 cm , d) d = 12cm

2. Oblicz pole koła .

a) r = 3cm , a) r = 2cm

b) d= 120cm , b) d = 101 cm

3) Oblicz długość okręgu .

r = 4cm , r =3cm

4) Oblicz promień .

6 π cm , 8π cm

5). Oblicz promień koła o polu .

16π cm ( kwadratowych ) , 25 π cm ( kwadratowych )

6.Oblicz długość łuku pola wycinka koła .

a) 150 stopni , r = 2 cm

b) 120 stopni , r = 2 cm

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