" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
35/ keliling lingkaran = 72/360
keliling lingkaran = 175 cm
panjang busur QR/ keliling lingkaran = ∠QOR/ 360°
panjang busur QR/ 175 = (180 - 72)/ 360
panjang busur QR = 52,5