Identifying Angles and Flat Shapes

An angle is the meeting point of two ...

• points

• curved lines

• straight lines

• flat surfaces

An angle that measures less than 90° is called ...

• obtuse angle

• acute angle

• right angle

• straight angle

An angle that measures more than 90° is ...

• acute angle

• right angle

• straight angle

• obtuse angle

Which of the following is not an angle?

• Acute angle

• Obtuse angle

• Right angle

• Length of a side

The image below shows a part of ...

• angle

• line

• circle

• point

An angle can be classified into several types based on ...

• length of its sides

• size of its measure

• name of its line

• shape of its angle

The right angle measures ...

• 90°

• 60°

• 120°

• 180°

The tool used to measure angles is ...

• ruler

• protractor

• compass

• measuring tape

Obtuse angle is formed because ...

• two parallel lines

• two lines forming an angle greater than 90°

• two opposite lines

• two perpendicular lines

A triangle is a flat shape that has ...

• 4 sides

• 2 sides

• 3 sides

• 6 sides