no. 1
no. 2
Penjelasan dengan langkah-langkah:
1. Luas dan keliling lingkaran
L=πr²
L=22/7x7x7
L=154 cm²
K=2πr
K=2x22/7x7
K=44 cm
2. Luas dan keliling
L=3,14x5x5
L=78,5 cm²
K=2x3,14x5
K=31,4 cm
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no. 1
no. 2
Penjelasan dengan langkah-langkah:
1. Luas dan keliling lingkaran
L=πr²
L=22/7x7x7
L=154 cm²
K=2πr
K=2x22/7x7
K=44 cm
2. Luas dan keliling
L=πr²
L=3,14x5x5
L=78,5 cm²
K=2πr
K=2x3,14x5
K=31,4 cm