Classify Triangles by Angles

What is an acute triangle?

• A triangle where one angle is greater than 90 degrees.

• A triangle where all three angles are less than 90 degrees.

• A triangle with one right angle.

• A triangle with all angles equal to 90 degrees.

What type of triangle has exactly one right angle?

• A right triangle.

• An equilateral triangle.

• An isosceles triangle.

• A scalene triangle.

If a triangle has angles measuring 70°, 60°, and 50°, how is it classified?

• It is classified as an acute triangle.

• It is classified as a right triangle.

• It is classified as an obtuse triangle.

• It is classified as a scalene triangle.

What is a right triangle?

• A triangle that has one angle equal to 90 degrees.

• A triangle with all sides of equal length.

• A triangle that has no angles equal to 90 degrees.

• A triangle that has two angles equal to 45 degrees.

If a triangle has angles measuring 30°, 60°, and 90°, how is it classified?

• It is classified as an equilateral triangle.

• It is classified as an isosceles triangle.

• It is classified as a right triangle.

• It is classified as an obtuse triangle.

What is an obtuse triangle?

• A triangle with all angles less than 90 degrees.

• A triangle that has one angle greater than 90 degrees.

• A triangle with exactly one right angle.

• A triangle that has all sides equal.

How do you classify a triangle with one angle measuring 90 degrees?

• It is classified as an acute triangle.

• It is classified as an obtuse triangle.

• It is classified as a right triangle.

• It is classified as an equilateral triangle.

Can a triangle have two obtuse angles?

• Yes, a triangle can have two obtuse angles.

• No, a triangle cannot have two obtuse angles.

• A triangle can have one obtuse angle and one acute angle.

• A triangle can have two right angles.

How do you classify a triangle with all angles less than 90 degrees?

• Obtuse triangle

• Right triangle

• Acute triangle

• Scalene triangle

If a triangle has angles measuring 120°, 30°, and 30°, how is it classified?

• It is classified as an acute triangle.

• It is classified as a right triangle.

• It is classified as an obtuse triangle.

• It is classified as an equilateral triangle.