If all four interior angles of quadrilateral p have the same measure, which of the following statements must be true?

1. all sides of p have equal length.
2. the diagonals of p are perpendicular.
3. the measure of each interior angle of p is 90 degrees.

in advance!

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in