Jawaban:
keliling persegi panjang - (keliling 1/4 lingkaran + 1/4 lingkaran = 1/2 lingkaran)
(2× (p+l)) - (2πr)
(2 × (20cm + 15 cm)) - (1/2×2×22/7×7cm)
(2× 35 cm) - (1/2×44cm)
70cm - 22cm = 48cm
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Jawaban:
keliling persegi panjang - (keliling 1/4 lingkaran + 1/4 lingkaran = 1/2 lingkaran)
(2× (p+l)) - (2πr)
(2 × (20cm + 15 cm)) - (1/2×2×22/7×7cm)
(2× 35 cm) - (1/2×44cm)
70cm - 22cm = 48cm