G4 - Angles and Squares/Rectangles

___ formed when two lines meet.

• angle

• rectangle

• square

• triangle

The POINT where the lines meet is called a ___ .

• vertex

• angle

• side

• square

Angles are measured in ___ .

• degrees

• vertex

• acute

• 90

___ is an angle of exactly 90° (90 degrees).

• Right angle

• Acute angle

• Obtuse angle

• Straight angle

___ is an angle measures more than 0° but LESS than 90° (90 degrees).

• Right angle

• Acute angle

• Obtuse angle

• Straight angle

___ is an angle measures MORE than 90° (90 degrees) but less than 180°.

• Right angle

• Acute angle

• Obtuse angle

• Straight angle

___ is an angle EQUAL to 180° (180 degrees).

• Right angle

• Acute angle

• Obtuse angle

• Straight angle

What do we use to measure angles?

• protractor

• ruler

• tape measure

• c

How many degrees is this angle?

• 40°

• 140°

• 80°

• 95°

How many degrees is this angle?

• 129°

• 51°

• 120°

• 140°