Tolong dibantu dongg kaka ,ade, tante, om yang tau tolong bantu....
C
/\
/ \
P /______\ Q
/ \
A/___________\ B
1. jika panjang PC=3cm, AC=9cm, dan AB=15cm, panjang PQ sama dengan...
A. 4,0 cm
B. 5,0 cm
C. 7,5 cm
D. 10,0 cm
C
/\
/ \
P /______\ Q
/ \
A/___________\ B
1. jika panjang PC=3cm, AC=9cm, dan AB=15cm, panjang PQ sama dengan...
A. 4,0 cm
B. 5,0 cm
C. 7,5 cm
D. 10,0 cm
pc/ac = pq/ab
jadi 3/9 = x/15
kali silang
3.15 = 9. x
45 = 9x
x = 5
jadi isinya b
9pq = 45
pq = 5,0 cm