3
Объяснение:
AB = √(AC^2 + BC^2) = √(576 + 49) = 25
S = 1/2 * AC * BC = 1/2*24*7 = 84
S = p*r
p=P/2 = (25+24+7)/2=28
r = S/p = 84/28 = 3
3
Объяснение:
AB = √(AC^2 + BC^2) = √(576 + 49) = 25
S = 1/2 * AC * BC = 1/2*24*7 = 84
S = p*r
p=P/2 = (25+24+7)/2=28
r = S/p = 84/28 = 3