Basic Geometrical Ideas

A pair of lines which do not intersect at any point are called ____ lines.

• Perpendicular

• Parallel

• Concurrent

• Intersecting

How many pairs of adjacent vertices are there in the given figure?

• 6

• 8

• 4

• 5

Which of the following statements is incorrect?

• Line AB is same as line BA

• Line segment AB is same as line segment BA

• Ray AB is same as ray BA

• AB is perpendicular to CD is same as CD is perpendicular to AB

In the given figure, there are _______ angles.

• 4

• 8

• 6

• 10

Which of the following is not a polygon?

• 
• 
• 
• 

If the sum of two angles is greater than 180°, then which of the following is not possible for the two angles?

• One obtuse angle and one acute angle

• One reflex angle and one acute angle

• Two obtuse angles

• Two right angles

Name the shaded region of the given figure.

• Sector

• Segment

• Chord

• Radius

What type of angle is angle X?

• Acute

• Obtuse

• Right

• Straight

How many triangles are there in the following figure?

• 4

• 5

• 6

• None of these

The number of arcs made by a chord on a circle is ________.

• 3

• 2

• 1

• 4