SOLUTION: For the questions below please use always true, sometimes true, or never true. 1. Diagonals of an isosceles trapezoid are perpendicular. 2. Adjacent sides of a rectangle are co

Sometimes true:             Sometimes false

Sometimes true (when the rectangle is a square)  Sometimes false:






3. One pair of opposite sides of a trapezoid are congruent.

Sometimes true (when it's an isosceles trapezoid,  sometimes its false



4. Sides of a rhombus are congruent.

Always true


5. Diagonals of a square are perpendicular. 
Always true




Edwin