1 bok - 6 3/4 m
2 bok - 6 3/4 m + 1 2/5 m = 6 15/20 + 1 8/20 = 7 23/20 = 8 3/20 m
3 bok - 8 3/20 m + 1 1/2 m = 8 3/20 + 1 10/20 = 9 13/20 m
6 3/4 m + 8 3/20 m + 9 13/20 m = 6 15/20 m + 8 3/20 m + 9 13/20 m =
23 31/20 m = 24 11/20 m
Odp. Obwód trójkąta wynosi 24 11/20 m .
6 3/4 m = 6 15/20 - 1 bok trójkąta
6 3/4 - 1 2/5 = 6 15/20 - 1 8/20 = 5 7/20 [m] - 2 bok trójkąta
5 7/20 + 1 1/2 = 5 7/20 - 1 10/20 = 107/20 - 30/20 = 77/20 = 3 17/20[m] - 3 bok trójkąta
Ob = 6 15/20 + 5 7/20 + 3 17/20 = 14 39/20 = 15 19/20 [m]
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1 bok - 6 3/4 m
2 bok - 6 3/4 m + 1 2/5 m = 6 15/20 + 1 8/20 = 7 23/20 = 8 3/20 m
3 bok - 8 3/20 m + 1 1/2 m = 8 3/20 + 1 10/20 = 9 13/20 m
6 3/4 m + 8 3/20 m + 9 13/20 m = 6 15/20 m + 8 3/20 m + 9 13/20 m =
23 31/20 m = 24 11/20 m
Odp. Obwód trójkąta wynosi 24 11/20 m .
6 3/4 m = 6 15/20 - 1 bok trójkąta
6 3/4 - 1 2/5 = 6 15/20 - 1 8/20 = 5 7/20 [m] - 2 bok trójkąta
5 7/20 + 1 1/2 = 5 7/20 - 1 10/20 = 107/20 - 30/20 = 77/20 = 3 17/20[m] - 3 bok trójkąta
Ob = 6 15/20 + 5 7/20 + 3 17/20 = 14 39/20 = 15 19/20 [m]