Periodic Examination in Mathematics 9

It is a quadrilateral with exactly one pair of parallel sides.

• parallelogram

• rectangle

• square

• trapezoid

Which statement is true?

• All rectangles are squares.

• All quadrilaterals are squares.

• All parallelograms are quadrilaterals.

• All quadrilaterals are parallelograms.

Which of the following quadrilaterals does not belong to the group?

• Kite

• Rectangle

• Rhombus

• Square

Two consecutive angles of a parallelogram are supplementary.

• Always True

• Sometimes True

• Never True

• Cannot be determined

Which of the following conditions is TRUE that a quadrilateral is a parallelogram?

• The diagonals are perpendicular bisector of each other.

• Both pairs of opposite angles are congruent.

• One pair of opposite sides is both congruent but not parallel to each other.

• The diagonals are congruent.

Which of the following is a sufficient condition for quadrilateral CALM to be a parallelogram?

• CM // AL and ML CA

• CM // LA and AM CL

• ML // CA and ML CA

• LMC CAL and ML CA

If LS = 18, find KS.

• 9

• 18

• 36

• cannot be determined

If ES = 12 , find IE.

• 12

• 24

• 25

• cannot be determined

If mLIK = 70, find mLEK.

• 35

• 70

• 110

• cannot be determined

How do you describe any two opposite angles of a parallelogram?

• They are always congruent.

• They are complementary.

• They are supplementary.

• They are both right angles.