Tentukan keliling bangun di atas! Jawab:
Keliling 3/4 lingkaran
K = 3/4πd
= 3/4 × 22/7 × (7 × 2)
= 3/4 × 22/7 × 14
= 3/4 × 2 × 22
= 3/4 × 44
= 44/4 × 3
= 11 × 3
= 33 cm + 14 cm
= 47 cm
Jawaban:
= 115,5 cm
Penjelasan dengan langkah-langkah:
semoga membantu;)