Obtuse, Acute, Straight and Right Angles

What type of angle is shown?

• acute

• obtuse

• right

• straight

If an angle is less than 90* what is the name of that angle

(Also EXPLAIN IT)

In a triangle, if one angle measures 100 degrees, what type of angle is it?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

An angle that measures exactly 180 degrees is known as a:

• Right angle

• Straight angle

• Reflex angle

• Full angle

What type of angle is shown?

• acute

• obtuse

• right

• straight

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

An angle whose measure is exactly 90 degrees.

• acute

• vertical

• right

• straight

This is what kind of angle?

• right

• acute

• obtuse

• straight

Which type of angle is pictured?

• Acute

• Right

• Obtuse

• Straight