keliling 28 berapa diameternya

Kelas 4 Matematika
Bab Bangun Datar Sederhana

Keliling = 28
π x d = 28
3,14 x d = 28
d = 28/3,14
d = 8,917

[tex]k = \pi \times d[/tex]
28 = 22/7 × d
d = 28 ÷ 22/7
d = 8.9

diameter = 8.9