Understanding Triangles

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

• Three sides

• Three angles

• Two sides

• Four angles

Tags

CCSS.4.G.A.1

What is the measure of an acute angle?

• Less than 90 degrees

• More than 90 degrees

• More than 180 degrees

• Exactly 90 degrees

Tags

CCSS.4.G.A.1

What is the measure of a right angle?

• Less than 90 degrees

• 180 degrees

• More than 90 degrees

• Exactly 90 degrees

Tags

CCSS.4.G.A.2

How many main types of triangles are there?

• Five

• Six

• Four

• Three

Tags

CCSS.4.G.A.2

Which triangle has one angle more than 90 degrees?

• Equilateral triangle

• Right triangle

• Obtuse triangle

• Acute triangle

Tags

CCSS.4.G.A.1

What indicates a right angle in a triangle?

• A circle

• A straight line

• A square box

• A triangle

How can you draw a right triangle?

• Drawing three equal sides

• Drawing two equal sides

• Starting with a straight line

• Starting with an L shape

Tags

CCSS.8.G.A.5

How many degrees are there in each angle of an equilateral triangle?

• 180 degrees

• 60 degrees

• 45 degrees

• 90 degrees

Tags

CCSS.8.G.A.5

How many degrees in total do the angles of any triangle add up to?

• 360 degrees

• 90 degrees

• 180 degrees

• 270 degrees

Tags

CCSS.8.G.A.2

What indicates that sides of a triangle are equal in length?

• Letters beside the sides

• Circles on the sides

• Slashes on the sides

• Numbers beside the sides

Tags

CCSS.4.G.A.2