Jawaban:
1. L= π x r²
d=30cm
r=30:2= 15cm
L= π x 15 x15
=3,14 x 225
= 706,5
jawaban D
2. π x r²
=22/7 x 14 x 14
=616
jawaban A
3. d= 49cm
r=24, 5cm
r²= 24,5x24, 5 =600, 25
L= 3,14x600, 25=1, 886,5
jawaban B
Penjelasan dengan langkah-langkah:
semoga membantu
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Jawaban:
1. L= π x r²
d=30cm
r=30:2= 15cm
L= π x 15 x15
=3,14 x 225
= 706,5
jawaban D
2. π x r²
=22/7 x 14 x 14
=616
jawaban A
3. d= 49cm
r=24, 5cm
r²= 24,5x24, 5 =600, 25
L= 3,14x600, 25=1, 886,5
jawaban B
Penjelasan dengan langkah-langkah:
semoga membantu