If one angle of a parallelogram is right , then it is called a ...............

• Rectangle

• Square

• Rhombus

• Cube

The diagonals are perpendicular and equal in length in ...........

• Rectangle

• Square

• Rhombus

• Parallelogram

The diagonals are perpendicular and not equal in length in ...........

• Rectangle

• Square

• Rhombus

• Parallelogram

The diagonals are equal in length and not perpendicular in ...........

• Rectangle

• Square

• Rhombus

• Parallelogram

All of angles of the rectangle are equal in measure and each angle equals ........

• 60

• 100

• 120

• 90

The sum of measures of two consecutive angles in a parallelogram = ..........

• 60

• 360

• 90

• 180

ABCD is a parallelogram in which m (< B) = 80 , then m (< A) =................

• 80

• 100

• 280

• 180

ABCD is a parallelogram in which m (< B) = 80 , then m (< D) =................

• 80

• 100

• 280

• 180

45 % + 30 % = ..................

• 0.25

• 0.75

• 30 %

• 0.5

The range of the values 50 , 25 , 35 and 20 is ...............

• 10

• 20

• 30

• 40