Jawabanmu

2014-03-11T20:54:34+07:00
Sisi = 6cm, 8cm, 10 cm s = 6+8+10 : 2 = 24:2 = 12 L segitiga = √12(12-6)(12-8)(12-10) = √12(6)(4)(2) = √576 = 24 K segitiga= 6+8+10 = 24 jari-jari dalam = 24 : ½ x 24 = 24:12 = 2 jari" luar = 6x8x10 : 4 x 24 = 480:96 = 5