Jawabanmu

2014-03-11T19:56:07+07:00
Kalau dikatahui diameter, maka luas penampang 
A = ¼πd² 

Jadi 

..F₁..........F₂ 
---------- = --------- 
..A₁..........A₂ 

..F₁..........F₂ 
---------- = ---------...............coret yang sama 
¼πd₁².....¼πd₂² 

..F₁..........F₂ 
---------- = ---------..<-- jawaban 
..d₁².........d₂² 
1 1 1
2014-03-11T19:57:15+07:00
Kalau dikatahui diameter, maka luas penampang
A = ¼πd²

Jadi

..F₁..........F₂
---------- = ---------
..A₁..........A₂

..F₁..........F₂
---------- = ---------...............coret yang sama
¼πd₁².....¼πd₂²

..F₁..........F₂
---------- = ---------..<-- jawaban
..d₁².........d₂²


Ok ?
2 3 2