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r =
r =
r = cm
2.a =
= ⇒kali silang
2(x-2) = 4(y-3)
2x-4 = 4y - 12
2x= 4y-12+4
2x= 4y -8
x=2y-4
alas = 50 cm
DIT : Kemiringan ?
peny : Kemiringan² = 150²+50²
= 22500 + 2500
kemiringan² = 25000
Kemiringan =
=