
Pola wielokątów - zadania
Presentation
•
Mathematics
•
KG
•
Hard
Oliwia Strzelczyk
Used 6+ times
FREE Resource
7 Slides • 0 Questions
1
Pola wielokątów - zadania
2
Lekcja
Temat: Pola wielokątów - zadania
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Cele Lekcji.:
*obliczanie pól wielokątów ;
* zamiana jednostek pola
* rozwiązywanie zadań tekstowych o tematyce
*„Pola wielokątów”;
* doskonalenie logicznego myślenia uczniów;
4
Zadania
Zad 13 str 137
P = (a+ b) •h /2
a) a = 2+2+4= 8, b= 2, h = 3, P = ( 8+2) •3/2 = 15
b) a=4, b=3, h=2, P = (4+3)•2/2 = 7
c) a=6, b= 4, h=3 P (6+4)•3/2 = 15
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ZADANIA
Zad 18 str 138
P = a•h/2
a) a=4, h=2 P = 4•2/2 = 4
b) a=3, h=2 P = 3x2/2 = 3
c) a = 3, h=4, P = 3x4/2 = 6
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ZADANIA
Zad 20 str 138
A) P = 40, P = a xh/2 a= 8, h =?
a x h/2 = 40 8 x h/2 =40, 4 x h = 40, h = 10
B) P = 60, h = 12, a = ?
a x h/2 = 60, a x 12/2 = 60 a x 6 = 60, a = 10
C) P = 63 a = 14, h=?
a x h/2 = 63 14 x h/2 = 63 7 x h = 63 h = 9
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ZADANIA
Zad 22 str 139
h = 7 a = ? P = 49
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