1/2 * (26 + 13 ) * 12 = 234 cm kwadratowe
dane:
A= 26cm
B=26:2=13
H=12
szukane
P=?
1/2 x a+bx12
1/2 x (26+13)x12
(13+13)x12
26x12=312
licze na naj >!<
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1/2 * (26 + 13 ) * 12 = 234 cm kwadratowe
dane:
A= 26cm
B=26:2=13
H=12
szukane
P=?
1/2 x a+bx12
1/2 x (26+13)x12
(13+13)x12
26x12=312
licze na naj >!<