Grade 9 Review for Quiz

17 cm, 144 cm and 145 cm is a pythagorean triples.

• True

• False

22 cm, 20 cm and 30 cm is a Pythagorean Theorem.

• True

• False

If a certain quadrilateral has two opposite sides which are parallel and the other two sides are not congruent. What is the quadrilateral

• Parallelogram

• Rhombus

• Square

• Trapezoid

How can you prove that a quadrilateral is a rectangle?

• Show that the quadrilateral contains a right angle.

• Show that the quadrilateral has perpendicular diagonals.

• Show that the quadrilateral is a parallelogram with a right angle.

• Show that the quadrilateral is a parallelogram with congruent sides.

How do you describe a kite?

• A pair of opposite sides is parallel.

• A pair of opposite sides is congruent.

• A pair of opposite angles is congruent.

• A pair of opposite angles are supplementary.

Which of the following describes an isosceles trapezoid?

• Diagonals are congruent.

• Diagonals are perpendicular.

• Opposite angles are congruent.

• Midline is parallel to the bases.

A quadrilateral whose diagonals are always perpendicular.

• Parallelogram

• Rhombus

• Square

• Trapezoid

Give a property of the diagonals of a parallelogram makes it a rectangle.

• The diagonals are congruent.

• The diagonals bisect each other.

• The diagonals are perpendicular to each other.

• The diagonals bisect angles to which they are drawn.

Give a property that is not always true about the diagonals of a rhombus.

• The diagonals are congruent

• The diagonals bisect each other.

• The diagonals intersect at right angles.

• The diagonals bisect angles to which they are drawn.

In parallelogram LOVE, the degree measure of angle L is twice the degree measure of angle O. What is the degree measure of the smallest angle of the parallelogram?

• 60 degrees

• 90 degrees

• 120 degrees

• 180 degrees