Jawabanmu

2014-05-17T11:08:23+07:00
24² = x² - (12-5)²
576 = x² - 49
x² = 625
x = 25
1 5 1
2014-05-17T11:09:19+07:00
Iuar -> dikurangi -> 12-5 = 7 cm  x-> titik pusat
x^2 = 7^2 + 24^2
x^ = 49 + 576 = 625
x = akar 625 = 25 cm