Bantu jawab dong kak besok di kumpulkan​

Jawaban:

No 1:

Keliling Lingkaran:

= 2 × π × r

= 2 × 22/7 × 21 cm

= 2 × 22 × 3 cm

= 44 × 3 cm

= 132 cm

No 2:

Keliling Lingkaran

= π × d

= 22/7 × 56 cm

= 22 × 8 cm

= 176 cm

No 3:

Keliling Lingkaran

= π × d

= 22/7 × 84 cm

= 22 × 12 cm

= 264 cm

No 4:

Keliling Lingkaran

= 2 × π × r

= 2 × 3,14 × 36 cm

= 6,28 × 36 cm

= 226,08 cm

No 5:

Keliling Lingkaran

= π × d

= 3,14 × 60 cm

= 31,4 × 6 cm

= 188,4 cm

Penjelasan dengan langkah-langkah:

Semoga Membantu!

Salam Matematika!