" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
luas 3/4 lingkaran =3/4.3.14.25 = 58,9cm²
luas 1/4 lingkaran =1/4.3.14.25 = 19,6cm²
jadi luas daerah yang diarsir = 100 + 58,9 - 19,6=139,3 cm²