Jawabanmu

2014-09-07T19:24:51+07:00
Misalkan titik2 = z
(1/2 x z) - 25 = 25 x 17
1/2 x z = 425+25
1/2z = 450
z = 450 x 2 = 900

Bukti = ( \frac{1}{2} x 900) - 25 = 25.17
450 - 25 = 25 x 17 
425 = 425..