Answer:
3 to 1
by dividing
A. x²- 4x+ 1
option A is the answer
c
Step-by-step explanation:
bc= 6
since the triangles are similar, the sides are in a ratio
xz/ac = 20/4 (5:1)
yx/ba = 15/3 (5:1)
yz/bc = 5:1 = 30/6
