Find the semiperimetere of a triangle with sides 13cm,17cm,24cm Share with your friends Share 0 Divy Jhanjhari answered this s=(13+17+24)/2 =54/2 =27 therfore s=27 1 View Full Answer Jay Mehta answered this A=13 cm B=17 cm C= 24 cm S = a + b + c/2 = 13 +17 + 24/2 =42 cm 0