" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2. 3x+1 + 3x + x+1 = 30 cm, 7x = 28, x = 4 cm
PQ = x + 1 = 5 cm
PR = 3x = 12 cm, luas = 1/2 x 12 x 5 = 30 cm
210 = 3x+5x+6x
210 = 14x
210/14= x
15= x
Km= 5x
=5*15
=75