" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
7x + 40 = 180
7x = 140
x = 20
sudut B = 5(20) - 5 = ....
7x + 40 = 180
7x = 180 - 40 = 140
x= 140 / 7 = 20
sudut B = (5 x 20) -5 = 100 - 5 = 95 derajat