Acute, Right, Obtuse Triangles

What type of triangle is shown?

• acute

• obtuse

• right

Name this triangle.

• acute triangle

• right triangle

• straight triangle

• obtuse triangle

Q1. What type of angle is less than 90 degrees?

• A) acute

• B) obtuse

• C) right

Q1. What type of angle is less than 90 degrees?

• A) acute

• B) obtuse

• C) right

• acute
• obtuse
• right

An angle that measures less than 90°

• Acute

• Obtuse

• Right

• Straight

This is what kind of angle?

• right

• acute

• obtuse

• straight

This is what kind of angle?

• obtuse

• right

• straight

• acute

What is an "Acute" Angle?

• Angle that measures 180

• An Angle that measures 90

• An angle that measures more than 90

• An angle that measures less than 90

In an ______________ triangle, all three angles are less than 90 degrees.

• acute

• right

• obtuse

• 360 degrees