Types of Triangles

Can an Isosceles triangle also be a Right-angled triangle?

• Yes, an Isosceles triangle can have a right angle.

• No, Isosceles triangles cannot have right angles.

• Isosceles triangles can only be acute.

• Isosceles triangles are always equilateral.

Tags

CCSS.4.G.A.2

What is a Scalene triangle?

• A triangle with all sides of equal lengths.

• A triangle with at least two sides of equal lengths.

• A triangle with all sides of different lengths and all angles of different measures.

• A triangle with one angle measuring 90 degrees.

Tags

CCSS.4.G.A.2

What is an Equilateral triangle?

• A triangle where all three sides are of equal length and each angle measures 60 degrees.

• A triangle with one angle measuring 90 degrees.

• A triangle where all sides are of different lengths.

• A triangle that has two sides of equal length.

Tags

CCSS.4.G.A.2

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

• Right-angled triangle

• Acute triangle

• Obtuse triangle

• Equilateral triangle

Tags

CCSS.4.G.A.2

What is a Right-angled triangle?

• A triangle that has one angle measuring 90 degrees.

• A triangle with all sides of equal length.

• A triangle where the sum of the angles is 180 degrees.

• A triangle that has one angle measuring 60 degrees.

Tags

CCSS.4.G.A.2

What is the relationship between the sides and angles in a Scalene triangle?

• All sides are equal and all angles are equal.

• Two sides are equal and two angles are equal.

• In a Scalene triangle, all sides and angles are different.

• All sides are different and two angles are equal.

Tags

CCSS.4.G.A.2

What type of triangle is formed when all sides are equal?

• Isosceles triangle

• Scalene triangle

• Equilateral triangle

• Right triangle

Tags

CCSS.4.G.A.2

What type of triangle has no equal sides?

• Isosceles triangle

• Equilateral triangle

• Scalene triangle

• Right triangle

Tags

CCSS.4.G.A.2

What is the measure of the third angle in a triangle if the other two angles are 40 degrees and 60 degrees?

• 70 degrees

• 80 degrees

• 90 degrees

• 100 degrees

Tags

CCSS.8.G.A.5

What is an Isosceles triangle?

• A triangle with all sides of equal length.

• A triangle with at least two sides of equal length.

• A triangle with no sides of equal length.

• A triangle with one right angle.

Tags

CCSS.2.G.A.1