Sara is designing a new wooden bench for her lawn space. Instead of making rectangular bench, he chooses a trapezium shape to give a random look and to make the seat more comfortable. The top and bottom edge measure\(0.8 cm\) and \(1.5 cm\) long. She ensures that the entire shape remains perfectly parallel, so the bench retains the shape of trapezium.
Based on the given information solve the following questions
1. What property must a quadrilateral have to be called a trapezium?
2. A trapezium always has which of the following angle characteristics?
3. In this trapezium bench \(ABCD\), where \(AB\) parallel to \(CD\), the angles at vertices \(A\) and \(D\) are adjacent interior angles.Their measures are in the ratio \(7:8\)
4.Sara notes that the bottom left angle is 120°, and since this side joins the two parallel bases, calculate the top left angle.