Identifying and Classifying Triangles Quiz

What is an equilateral triangle?

• A triangle with all three angles of equal measure

• A triangle with one acute angle

• A triangle with two sides of equal length

• A triangle with all three sides of equal length

How can you identify an equilateral triangle?

• One side is longer than the other two sides

• All three angles are of equal measure

• All three sides are of equal length

• Two sides are of equal length

Tags

CCSS.7.G.A.2

What is an isosceles triangle?

• A triangle with two sides of equal length.

• A triangle with all sides of different lengths.

• A triangle with no equal angles.

• A triangle with all sides of equal length.

Tags

CCSS.7.G.A.2

How do you classify an isosceles triangle?

• By having one side of equal length

• By having no sides of equal length

• By having three sides of equal length

• By having two sides of equal length.

Tags

CCSS.7.G.A.2

What is a scalene triangle?

• A triangle with no equal sides and no equal angles

• A triangle with one right angle

• A triangle with all sides equal

• A triangle with two equal sides

Tags

CCSS.7.G.A.2

How can you recognize a scalene triangle?

• By having two sides of different lengths.

• By having one angle measuring 90 degrees.

• By having all three sides of the same length.

• By having all three sides of different lengths.

Tags

CCSS.7.G.A.2

What is a right-angled triangle?

• A triangle with one angle measuring 180 degrees.

• A triangle with all angles measuring 60 degrees.

• A triangle with one angle measuring 90 degrees.

• A triangle with one angle measuring 45 degrees.

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

How do you understand a right-angled triangle?

• A triangle with no equal sides.

• A triangle with all angles less than 90 degrees.

• A triangle with one 90-degree angle.

• A triangle with all sides of different lengths.

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.B.4

How do you identify an acute-angled triangle?

• All three angles are less than 90 degrees

• It has one angle that is exactly 180 degrees

• It has one angle that is exactly 90 degrees

• All three angles are greater than 90 degrees

Tags

CCSS.HSG.CO.C.10

How do you classify an obtuse-angled triangle?

• It has all angles less than 90 degrees.

• It has all angles equal to 90 degrees.

• It has all angles greater than 90 degrees.

• It has one angle that is greater than 90 degrees.

Tags

CCSS.7.G.A.2