Types of angles.

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Presentation transcript:

Types of angles

Types of Angles An acute angle measures less than 90° An obtuse angle measures more than 90° A right angle measures exactly 90°

If this angle is acute, what could be its measurement? 20° 120° 90°

Which angle do you see the most on this building? Right Obtuse Acute

The hour hand makes an angle with the minute hand The hour hand makes an angle with the minute hand. What kind of angle is it? Obtuse Right Acute

Draw an obtuse angle in your box. 1 2 3 5 6 4

Circle the obtuse angles with red, the acute angles with green, and the right angles with blue.

Match each angle type with the correct drawing. Obtuse Acute Right

Make each line into an acute or obtuse angle before time runs out.