Types of Triangles

If one angle in a triangle is greater than 90 degrees, what type of triangle is it?

• Acute triangle

• Right triangle

• Obtuse triangle

• Scalene triangle

What is an equilateral triangle?

• A triangle with all sides of different lengths.

• A triangle with one angle greater than 90 degrees.

• A triangle that has all three sides equal and all angles equal to 60 degrees.

• A triangle with two sides equal and one side different.

Can a triangle have two right angles?

• Yes, a triangle can have two right angles.

• No, a triangle cannot have two right angles because the sum of angles would exceed 180 degrees.

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

• A triangle can have two acute angles and one right angle.

If all angles in a triangle are less than 90 degrees, what type of triangle is it?

• Acute triangle

• Obtuse triangle

• Right triangle

• Scalene triangle

What is a triangle?

• A three-sided polygon.

• A four-sided polygon.

• A two-dimensional shape with equal sides.

• A shape with three angles that can be any length.

What are the three types of triangles based on angles?

• Acute, Right, and Obtuse

• Equilateral, Isosceles, and Scalene

• Right, Obtuse, and Equilateral

• Acute, Scalene, and Right

How can you identify an acute triangle?

• By measuring its angles; all should be less than 90 degrees.

• By ensuring one angle is exactly 90 degrees.

• By having all sides of equal length.

• By having one angle greater than 90 degrees.

Define an obtuse triangle.

• An obtuse triangle has one angle that is greater than 90 degrees.

• An obtuse triangle has all angles less than 90 degrees.

• An obtuse triangle has two angles that are equal.

• An obtuse triangle has one angle that is exactly 90 degrees.

Define an acute triangle.

• A triangle with one angle greater than 90 degrees.

• A triangle with all angles equal to 90 degrees.

• A triangle with all angles less than 90 degrees.

• A triangle with two equal sides.

How can you identify a right triangle?

• By finding one angle that measures exactly 90 degrees.

• By ensuring all sides are equal in length.

• By checking if the triangle has two acute angles.

• By measuring the perimeter of the triangle.