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H=9
oblicz h?
Obliczmy dlugość krawędzi bocznej b
b²=a²+H²
b²= 4²+9²= 16+ 81= 97
b=√97
A teraz h
h²= H²-(1/2a)²
h²=(√97)²- (1/2 *4)²= 97- 4= 93
h=√93
łyk... łyk... łyk... end