Sudut pusat 72°
r = 40 cm
Panjang AB = ....
Keliling lingkaran = 2. 3,14. 40 = 251,2 cm^2
Panjang tali busur = 72/360 × 251,2 = 50,24 cm
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Sudut pusat 72°
r = 40 cm
Panjang AB = ....
Keliling lingkaran = 2. 3,14. 40 = 251,2 cm^2
Panjang tali busur = 72/360 × 251,2 = 50,24 cm