Mathematics Grade 9 Quiz

A quadrilateral whose opposite sides are parallel.

• parallelogram

• trapezoid

• kite

• trapezium

Given: DOME is a parallelogram. If m∠DEM = 69, what is m ∠ODE?

• 68

• 111

• 69

• 112

The figure at the right is a parallelogram. Diagonals AC and BD intersect at E. If AE = 2x and EC = 12, what is x?

• 3

• 6

• 7

• 8

If a parallelogram has a right angle, then it has four right angles, and the parallelogram is a ________.

• rectangle

• trapezoid

• kite

• none of these

In the figure at the right, points C and D are the midpoints of RO and OS, respectively. If RS = 10 cm, how long is CD?

• 4 cm

• 5 cm

• 6 cm

• 8 cm

Which of the following statements is TRUE?

I. a trapezoid can have four equal sides

II. a trapezoid can have three right angles

III. base angles of an isosceles trapezoid are congruent

IV. Diagonals of an isosceles trapezoid bisect each other

• I only

• I and II only

• III only

• II and IV only

In the figure at the right, AD = BC. If DC = 20 cm and AB = 39 cm. What is FE?

• 16 cm

• 46 cm

• 28 cm

• 56 cm

The diagonals of an isosceles trapezoid are represented by 4x - 47 and 2x + 31. What is the value of x?

• 37

• 39

• 107

• 109

The comparison of two or more quantities is known as _____.

• ratio

• proportion

• similarity

• congruence

The scale of a map is 1 cm : 2000 m. Find the length of a new railway line which is 10.5 cm on the map?

• 5,000 m

• 10,000 m

• 20,000 m

• 21,000 m