Jawabanmu

2014-02-16T12:33:19+07:00
Sisi kaki = 10 cm , sisi alas = 15
3 4 3
2014-02-16T12:35:37+07:00
Sisi yg sama = s sisi alas = 2s-5 35 = 2s+2s-5 35 = 4s-5 4s = 40 s = 10
3 4 3