Odpowiedź:
x²+4²= 8²
x²+16= 64 / -16
x²= 48
x=√48= 4√3
P=a*h/2= 4√3 *4/2= 8√3
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Odpowiedź:
x²+4²= 8²
x²+16= 64 / -16
x²= 48
x=√48= 4√3
P=a*h/2= 4√3 *4/2= 8√3