SOMEONE EXPLAIN FOR 100 POINTS AND BRAINLIEST! GEOMETRY HELP PLEASE!

Answer:
Step-by-step explanation:
The top and bottom triangles have two congruent sides with different included angles.
The greater angle has greater opposite side.
The ∠DAC must be greater than zero but smaller than 48°.
Required inequality is:
So x has a value between 6 and 30
Answer: 6 < x < 30
Step-by-step explanation:
0 < 2x - 12 < 48
12 < 2x < 60
6 < x < 30