Jawabanmu

2014-03-10T15:37:25+07:00
3x+2x
=3x+2x
2x=3-2
2x=1:2
x=0,5

0,5*20=10cm

2014-03-10T15:40:51+07:00
Misalkan sisi miring = 5x alas = 3x tinggi = 20cm rumus pytagoras misalkan x = 5 5x^2=3x^2+20^2 625 = 225 + 400 jadi luas segitiga siku siku =1/2xaxt =1/2x15x20 =150