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100-36=b2
b=3√6 tu byl blad wiec dalej w obliczeniach tez
a=10
b=10
c=10
d= 22
P= (a+b) x h /2
P= (10+22) x 10 /2
P=32x10/2
P= 320/2
P= 160
tak moze byc?
Dłuższa podstawa ma 22 cm.
22- 10 - 12
12 :2 = 6
h^2 = 10^2 - 6^2 = 100 - 36 = 64
h = 8
P ={[22 + 10]*8}/2 = [32*8]/2 = 32*4 = 128
P = 128 cm^2