Remember in a rectangle that diagonals are congruent to each other.
After you find x you have to plug it back in to DB.
After you find x you have to plug it back into AC.
Remember in a rectangle that the diagonals bisect each other since it is a parallelogram.
After you find x you have to plug it back in into AE. Then double that to find AC.
Remember in a rectangle that the diagonals are congruent, and they bisect each other.
After you find x you have to plug it back in.
Remember in a rectangle that each angle is always 90°
2x+4+3x+1=90
After you find x you have to plug it back into angle BAC.
The 2 angles are complementary.
