Exploring Types of Triangles: Equilateral, Isosceles, Right, and Scalene

What does the prefix 'tri' signify in the context of triangles?

• Multiple

• Three

• Two

• Four

How many sides does a triangle have?

• Five

• Four

• Six

• Three

Tags

CCSS.2.G.A.1

What is the area of a triangle with a base of 6 cm and height of 10 cm?

• 30 cm squared

• 60 cm squared

• 15 cm squared

• 20 cm squared

Tags

CCSS.6.G.A.1

How much do the interior angles of any triangle sum up to?

• 270 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Tags

CCSS.8.G.A.5

If two angles in a triangle are 70 degrees and 50 degrees, what is the third angle?

• 60 degrees

• 70 degrees

• 50 degrees

• 40 degrees

Tags

CCSS.8.G.A.5

What type of triangle has all sides of equal length?

• Right-angled

• Scalene

• Isosceles

• Equilateral

Tags

CCSS.4.G.A.2

Which triangle has two equal sides?

• Acute

• Scalene

• Equilateral

• Isosceles

Tags

CCSS.4.G.A.2

What is a characteristic angle of a right-angled triangle?

• 45 degrees

• 30 degrees

• 60 degrees

• 90 degrees

Which triangle has no equal sides or angles?

• Scalene

• Isosceles

• Obtuse

• Equilateral

Tags

CCSS.4.G.A.2

What is the sum of angles in an equilateral triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

Tags

CCSS.8.G.A.5