Odpowiedź :
Odpowiedź:
p = (a+b+c)/2
p = (5+6+9)/2 = 10
[tex]r = \sqrt{\frac{(p-a)(p-b)(p-c)}{p} } \\r = \sqrt{\frac{(10-5)(10-6)(10-9)}{10} } \\r = \sqrt{\frac{5*4*1}{10} } \\r = \sqrt{\frac{20}{10} } \\r = \sqrt{2}[/tex]
Odpowiedź:
p = (a+b+c)/2
p = (5+6+9)/2 = 10
[tex]r = \sqrt{\frac{(p-a)(p-b)(p-c)}{p} } \\r = \sqrt{\frac{(10-5)(10-6)(10-9)}{10} } \\r = \sqrt{\frac{5*4*1}{10} } \\r = \sqrt{\frac{20}{10} } \\r = \sqrt{2}[/tex]