Jawaban:
a. 30,8 cm
b. 308 cm
c. 220 cm
Penjelasan dengan langkah-langkah:
a. K = 2 × π × r
K = 2 × 22/7 × 4,9
K = 2 × 22 × 0,7
K = 44 × 0,7
K = 30,8 cm
b. K = 2 × π × r
K = 2 × 22/7 × 49
K = 2 × 22 × 7
K = 44 × 7
K = 308 cm
c. K = π × d
K = 22/7 × 70
K = 22 × 10
K = 220 cm
Semoga Membantu
^_^
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Jawaban:
a. 30,8 cm
b. 308 cm
c. 220 cm
Penjelasan dengan langkah-langkah:
a. K = 2 × π × r
K = 2 × 22/7 × 4,9
K = 2 × 22 × 0,7
K = 44 × 0,7
K = 30,8 cm
b. K = 2 × π × r
K = 2 × 22/7 × 49
K = 2 × 22 × 7
K = 44 × 7
K = 308 cm
c. K = π × d
K = 22/7 × 70
K = 22 × 10
K = 220 cm
Semoga Membantu
^_^