hitunglah keliling lingkaran yg memiliki jan Jari Sebagai berikut :
a. Jari Jari = 21 cm
b. diameter: 56 cm
a. Jari Jari = 21 cm
b. diameter: 56 cm
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Jawaban:
Rumus Keliling :
π × d
:
a. 21 × 2 : 42
[tex] \frac{22}{7} \times 42[/tex]
= 132
b.
[tex] \frac{22}{7} \times 56[/tex]
= 176