Question

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Answer 1

Answer:

x=9  y=51  z=144 w=36

Step-by-step explanation:

If the triangles are similar, the proportion of their corresponding sides is equal. Thus,

In 1st and 2nd triangle-----> 12/36 = 3/x = 17/y

                                          => 1/3 = 3/x = 17/y

                                          => x = 9, y = 51

In 1st and 3rd triangle-------> 12 / z = 3/w = 17/204

                                          => 12/z = 3/w = 1/12

                                          => z = 144, w = 36

Thus we find the values

x=9  y=51  z=144 w=36

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Answer 2

Answer:

3/12 = 5/XZ = 4/YZ

The scale factor here is 3/12 = 1/4

Step-by-step explanation:

XZ = 20 and YZ = 16 .