Jawabanmu

2014-06-12T18:18:25+07:00
Sisi miring = x
luas = 1/2 sisi a kali sisi b = 1/2 (2x+3)(2x+2) = 1/2 (4x^2+10x+6) = 2x^2 + 5x +3
^ = pangkat