1) 10см 2)7см 3) 36см 4) 41см
d = 2r
1) d = 2*5 = 10 (cm)
2) 3 cm 5 mm = 35 mm
d = 2*35 = 70 (mm) = 7 (cm)
3) d = 2*18 = 36 (mm) = 3,6 (cm)
4) d = 2*21 = 42 (cm)
1) 10см 2)7см 3) 36см 4) 41см
d = 2r
1) d = 2*5 = 10 (cm)
2) 3 cm 5 mm = 35 mm
d = 2*35 = 70 (mm) = 7 (cm)
3) d = 2*18 = 36 (mm) = 3,6 (cm)
4) d = 2*21 = 42 (cm)