193.
S = 16 սմ2
S1 = 25 սմ2
AB = 2 սմ
_____
A1B1 = x = ?
_____
S/S1 = k2
16/25 = k2
k = √16/25 = 4/5
2/x = k
2/x = 4/5
x = 2 * 5 : 4 = 2,5
193.
S = 16 սմ2
S1 = 25 սմ2
AB = 2 սմ
_____
A1B1 = x = ?
_____
S/S1 = k2
16/25 = k2
k = √16/25 = 4/5
2/x = k
2/x = 4/5
x = 2 * 5 : 4 = 2,5