Answer:
Step-by-step explanation:
False. If L does not equal W the diagonals are not perpendicular. If L=W then they are perpendicular but that is a square and a special case which is not always true of a rectangle.
Answer: 1. 26-12=14
2. 19-12=7
3. 17.50 divided by 7=2.5
m<D' = 180⁰-104⁰
m<D' = 76⁰