" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a - bok równoległoboka
a + 6 - drugi bok
L = 2a + 2(a+6)
L = 2a + 2a + 12
L = 4a + 12
52 = 4a + 12
4a = 40
a = 10
a + 6 = 16