Jawaban:
D. 1.386 cm²
Penjelasan dengan langkah-langkah:
r = 42/2 = 21 cm
L = πr²
L = 22/7 × 21 × 21
L = 22 × 3 × 21
L = 66 × 21
L = 1.386 cm²
1386cm²
L.lingkaran
= π x r x r
=22/7 x 21 x 21
=22 x 3 x 21
=66 x 21
=1386cm²
maaf kalo salah
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Verified answer
Jawaban:
D. 1.386 cm²
Penjelasan dengan langkah-langkah:
r = 42/2 = 21 cm
L = πr²
L = 22/7 × 21 × 21
L = 22 × 3 × 21
L = 66 × 21
L = 1.386 cm²
Jawaban:
1386cm²
Penjelasan dengan langkah-langkah:
L.lingkaran
= π x r x r
=22/7 x 21 x 21
=22 x 3 x 21
=66 x 21
=1386cm²
maaf kalo salah