hitunglah keliling lingkaran jika jari jarinya:
a.20cm
b.17,5 cm
c.10 cm
d.1,75![]()
a.20cm
b.17,5 cm
c.10 cm
d.1,75
Jawaban:
A. K = 2 × π × r
= 2 × 3,14 × 20cm
= 40cm × 3,14
= 125,6
B. K = 2 × π × r
= 2 × 22/7 × 17,5cm
= 110cm
C. K = 2 × π × r
= 2 × 3,14 × 10cm
= 62,8cm
D. K = 2 × π × r
= 2 × 22/7 × 1,75
= 11cm
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Answer by Haybaaura270910
