Lines and Angles

The sum of the angles on a straight line is 180 °

• TRUE

• FALSE

Which picture is acute angle

• a

• b

• c

• d

An angle whose magnitude lies between 180° and 360° is called

• Obtuse angle

• Reflex angle

• Acute angle

• Complete angle

An angle which is complement of itself is

• 45°

• 0°

• 180°

• 75°

Name the pair of angle shown in the given figure

• Adjacent angles

• Linear pair of angles

• Corresponding angles

• Alternate angles

Name the pair of angles shown in the given figure

• Alternate interior angles

• None of the above

• Corresponding angles

• Vertically Oppsite angles

• 50°

• -30°

• -60°

• 60°

A reflex angle is an angle between 90°and180°

• FALSE

• TRUE

AB，CDand KL are straight lines.Find the values of x and y

• x＝127°，y＝116°

• x=120°,y=90°

• x=53°,y=116°

• x=116°,y=127°

In the diagram，CD and EF are straight lines.Find the value of y.

• 2y

• 54°

• 24°

• 27°