Third Quarter Mathematics 9 Exam

Two consecutive angles of a parallelogram have measures (x+30 )⁰ and [ 2 ( x-30 )]⁰. What is the measure of the smaller angle?

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

Find the value of y in the figure below.

A rectangle has a maximum of two diagonals. How many congruent triangles are formed by the diagonals of a rectangle?

Describe two consecutive angles of a parallelogram.

What shape is formed by a diagonal on a parallelogram?

• It divides the parallelogram into two congruent angles

• It divides the parallelogram into two congruent sides

• It divides the parallelogram into two congruent triangles

• It divides the parallelogram into two congruent quadrilaterals

In a parallelogram, opposite side are always ______________?

• Adjacent

• Complementary

• Parallel

• Supplementary

What kind of quadrilateral that has only one pair of parallel side?

• Kite

• Rhombus

• Trapezoid

• Triangle

Which of the following statement shows the area of a kite?

• half the sum of the diagonals.

• half the product of the diagonals

• twice the sum of the diagonals

• twice the product of the diagonals

Quadrilateral ABCD has four congruent sides and four right angles. What is the most accurate way to classify this quadrilateral?

• Quadrilateral ABCD is a trapezoid.

• Quadrilateral ABCD is a rectangle.

• Quadrilateral ABCD is a rhombus.

• Quadrilateral ABCD is a square.