find the value of x in each pair of similar figures

Answer:
8
Step-by-step explanation:
the pair of triangles is showing a dilations with a scale factor of 2
6/3=2
so it gives us 4 as the before answer and 4x2=8 so x=8
Answer:
8 Feet
Step-by-step explanation:
1) Set up ratios using the triangles: 3/4 = 6/x
2) Cross multiply: 3x = 24
3) Solve for x: x = 8 ft