Question

Diberikan trapesium ABCDE dan trapesium EFGH yang kongruen. Jika AB = 3 cm . hitunglah panjang sisi EF,FG ,FH dan HE

Answer 1

EF / AB = HE / GH
3x / 3 = 2x + 1 / x
x = 3

EF = 3x = 3(3) = 9 cm
GH = x = 3 cm
HE = 2x + 1 = 2(3) + 1 = 7 cm

CB / FG = AB / FE
CB / FG = 3 / 9
FG = 3CB