6 A- Chapter-5: Understanding Elementary Shapes-2

A quadrilateral is made up of four __________________

• Lines

• Rays

• Line segments

• All of the above

C is the mid-point of line segment AE.

• True

• False

F is the mid-point of line segment DG.

• True

• False

Suppose the hand of a clock starts at 1 and goes round until it reaches at 10. How many right angles has it moved?

• 1

• 2

• 3

• 4

Which ones of these revolution has no special angle name ?

• One complete revolution

• Half revolution

• One-fourth revolution

• Three-fourth revolution

Which direction will you face if you start facing WEST and make 1/4 of a revolution ANTI-CLOCKWISE ?

• East

• West

• North

• South

What part of a revolution have you turned through if you stand facing EAST and turn CLOCKWISE to face NORTH ?

• 1/4 of revolution

• 1/2 of revolution

• 3/4 of revolution

• 1 complete revolution

Which of these is NOT an Obtuse angle ?

• $98\degree$

• $89\degree$

• $110\degree$

• $165\degree$

Which of these is NOT an Obtuse angle ?

• $98\degree$

• 
  $172\degree$

• $110\degree$

• $198\degree$

When the sum of the measures of two angles is that of a straight angle and if one of them is acute then the other should be __________________.

• Acute

• Right

• Obtuse

• All of the above