Jawabanmu

2014-06-09T19:57:15+07:00
Jarak lintasan yg dilalu lingkaran= banyak putaran dikali keliling

Keliling = 2× \frac{22}{7} ×42 =264 cm

jarak lintasan = 264 × 3000 =792000 cm
2014-06-09T19:59:08+07:00
S = k. lingkaran x n = 22/7 x 42 x 2 x 3000 = 264 x 3000 = 792000 cm