Jawabanmu

2014-06-11T12:49:25+07:00
D= f_ob + f_ok
panjang teropong=100cm +10cm
                        = 110 cm
perbesaran =f_ob / f_ok
                 = 100/10
                 = 10 kali  
2014-06-11T14:43:25+07:00
Dik: F ob = 100 cm
F ok = 10 cm
Dit: M ... ?
d ... ?

Jawab: M = F ob / F ok
= 100 / 10
= 10 kali

jadi, perbesaran (M) = 10 kali

d = f ob + f ok
= 100 cm + 10 cm
= 110 cm

jadi, panjang teropong (d) = 110 cm