Question

Mohon dijawab dari nomor 4-7

Answer 1

No 4a) 
< AEC = < BED 
sisi AE = sisi DE
< A = < D

no 4b)
AE = DE
AC = BD
CE = BE

no 5a)
sisi KN berhimpit
< P = < O
sisi PN = sisi NO

no 5b)
KO = KP = 8 cm

no 6)
AB/PR = BC/PQ = AC/RQ

no 7)
6/9 = BC/6
BC = 6x6/9
BC = 4 cm

6/9 = 5/QR
QR = 9x5/6
QR = 7,5 cm