Tolong bantu yah.. .​

Jawaban:

dibawah ↴

Penjelasan dengan langkah-langkah:

1) D = 50cm

K = π*d

= 3,14*50

= 157 cm

2) r = 49 cm

K = 2*π*r

= 2*22/7*49

= 308 cm

3) K = 44 cm

44 = π*d

44*7/22 = d

14 cm = d

4) r = 14 m

K = 2*π*r

= 2*22/7*14

= 88 m

semoga membantu