Quadratic Equations

A parallelogram containing right angles is called a:

• equilateral A
• rectangle B
• quadrilateral C
• square D

Supplementary angle (straight) is equal to:

• 90° A
• 30° B
• 180° C
• 120° D

How many parallel lines to a given line can be drawn through a point?

• two A
• three B
• so many C
• one and only one D

Circles in the same plane with same center and different radii are called:

• concentric circles A
• semi circles B
• equal circles C
• concyclic circles D

A triangle with no equal side is called:

• isosceles triangle A
• obtuse triangle B
• scalene triangle C
• acute triangle D

The union of two rays with the common end point is called:

• arm A
• vertex B
• angle C
• midpoint D

• 72° A
• 180° B
• 108° C
• 90° D

Angle in a semi-circle is of measure :

• 45° A
• 60° B
• 90° C
• 120° D

A line segment whose end points lie on the circle is called a:

• radial segment A
• are B
• chord C
• radius D

If the sum of two angles is 90° then the angles are called:

• supplement of each other A
• complement of each other B
• inverse of each other C
• reflex of each other D

A triangle with two equal sides is called an:

• isosceles triangle A
• obtuse triangle B
• scalene triangle C
• acute triangle D

A father's age 4 times of his son's age. If the age of son is 20 year's, then the age of father is:

• 60 A
• 80 B
• 100 C
• 40 D

An angle containing more than 180° and less than 360° angle is called:

• right angle A
• acute angel B
• obtuse angle C
• reflex angle D

If two angle and a corresponding side included angles of two triangles are same then they , which congruent this postulate is called:

• S.A.S Postulate
  A
• A.S.A Postulate
  B
• S.S.S Postulate
  C
• R.H.S Postulate
  D

Two angel with the common vertex and a common arm between them are called:

• supplementary angle A
• reflex angles B
• straight angles C
• adjacent angles D