BASIC GEOMETRY

It is the endpoint where two line segments or rays come together.

• vertex

• angle

• side

• acute

Which of the following measures is an example of acute angle?

• 90^o

• 110^o

• 45^o

• 190^o

This photo shows an example of ___________ angle.

• acute

• right

• obtuse

• reflex

Which of the following statement is NOT true?

• 
  Acute angle is less than 90°

• An angle has three rays.

• The vertex is the common endpoint where two rays meet.

• A right angle measures 90 degrees.

This object shows an example of ____________ angle.

• acute

• right

• obtuse

• reflex

It is a measuring instrument, typically made of transparent plastic or glass, for measuring angles.

• ruler

• tape measure

• protractor

• thermometer

An obtuse angle __________.

• 
  is an acute angle.

• measures 90 degrees.

• is less than 90 degrees.

• is greater than 90

  degrees but less that 180 degrees