Jawaban:
K = 2πr
= 2 × × 21 cm
= 2 × 22 × 3 cm
= 132 cm
Keliling juring = panjang busur + 2r
91,5 = × K + 2(21)
91,5 = × 132 + 42
91,5 – 42 = × 132
49,5 = × 132
α =
α = 135˚
Penjelasan dengan langkah-langkah:
like ya btw udah saya bantu
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Jawaban:
K = 2πr
= 2 × × 21 cm
= 2 × 22 × 3 cm
= 132 cm
Keliling juring = panjang busur + 2r
91,5 = × K + 2(21)
91,5 = × 132 + 42
91,5 – 42 = × 132
49,5 = × 132
α =
α =
α =
α = 135˚
Penjelasan dengan langkah-langkah:
like ya btw udah saya bantu