Jawapan

2016-09-08T20:43:10+08:00
Sudut tirus = r=60°
sudut refleks = p=240°
sudut cakah = q=120°
so,sebab tuh lah r tuh sudut tirua
*tirus
segi TIGA
bucu dia kn ade tige..
oh phm2...thanks
2016-09-08T20:49:21+08:00