P= (a+b)*h/2
P=((2a+3)+(3a+5))*4a/2
i skracam 4a z 2
P=(5a+8)*2a
P=10a2+16a
Odpowiedź:
P trapezu = (a + b) *h :2
P = (2a + 3 + 3a +5) * 4a :2
P = (5a + 8) *4a :2
P = 20 a2 + 32a :2
P = 10a2 + 16a
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P= (a+b)*h/2
P=((2a+3)+(3a+5))*4a/2
i skracam 4a z 2
P=(5a+8)*2a
P=10a2+16a
Odpowiedź:
P trapezu = (a + b) *h :2
P = (2a + 3 + 3a +5) * 4a :2
P = (5a + 8) *4a :2
P = 20 a2 + 32a :2
P = 10a2 + 16a