Exploring the Properties of Triangles

What is the basic definition of a triangle?

• A circle divided into three equal parts

• A polygon with three sides and three angles

• A square cut diagonally

• A shape with four sides

Tags

CCSS.2.G.A.1

What type of triangle is formed by a right angle?

• Right Triangle

• Obtuse Triangle

• Acute Triangle

• Equilateral Triangle

Tags

CCSS.4.G.A.2

How many acute angles does a triangle always have?

• Two

• It varies

• Three

• One

Tags

CCSS.8.G.A.5

What type of triangle has all sides of the same length?

• Equilateral Triangle

• Right Triangle

• Scalene Triangle

• Isosceles Triangle

Tags

CCSS.4.G.A.2

Which triangle has two sides of equal length?

• Scalene Triangle

• Equilateral Triangle

• Acute Triangle

• Isosceles Triangle

Tags

CCSS.4.G.A.2

What type of triangle does not have any equal sides?

• Acute Triangle

• Equilateral Triangle

• Scalene Triangle

• Isosceles Triangle

Tags

CCSS.4.G.A.2

Can an isosceles triangle also be a right triangle?

• No, it's impossible

• Yes, in special cases

• Only in non-Euclidean geometry

• Only if it's also scalene

Tags

CCSS.4.G.A.2

An equilateral triangle is always which type of triangle by angle?

• Scalene

• Right

• Obtuse

• Acute

Tags

CCSS.4.G.A.2

What is the sum of all angles in any triangle?

• 270 degrees

• 360 degrees

• 180 degrees

• 90 degrees

Tags

CCSS.8.G.A.5

If two angles in a triangle are 35 and 45 degrees, what is the third angle?

• 90 degrees

• 120 degrees

• 100 degrees

• 110 degrees

Tags

CCSS.8.G.A.5