Categorizing Triangles in Geometry

What defines an obtuse triangle?

• A triangle with all angles less than 90 degrees

• A triangle with one angle greater than 90 degrees

• A triangle with all angles equal

• A triangle with one angle exactly 90 degrees

Tags

CCSS.4.G.A.2

Which triangle is not obtuse?

• Triangle with a 90-degree angle

• Triangle with three angles of 85 degrees

• Triangle with one angle of 100 degrees

• Triangle with one angle of 95 degrees

Tags

CCSS.4.G.A.2

Which triangle has exactly one angle greater than 90 degrees?

• Equilateral

• Obtuse

• Right

• Isosceles

Tags

CCSS.4.G.A.2

Is a triangle with angles 74 degrees, 74 degrees, and 32 degrees obtuse?

• Information is insufficient

• Yes

• No

• Cannot be determined

Tags

CCSS.8.G.A.5

What is true about the angles of a right triangle?

• Two angles are exactly 45 degrees

• One angle is exactly 90 degrees

• All angles are more than 90 degrees

• All angles are less than 90 degrees

Tags

CCSS.8.G.A.5

What type of triangle is formed when all sides are of different lengths?

• Right triangle

• Equilateral

• Isosceles

• Scalene

Tags

CCSS.4.G.A.2

Which statement is true for an equilateral triangle?

• All angles are 90 degrees

• All sides are of different lengths

• All sides are of the same length

• Two sides are of the same length

Tags

CCSS.4.G.A.2

Which triangle does not have all sides of the same length?

• Equilateral

• Both Isosceles and Scalene

• Isosceles

• Scalene

Tags

CCSS.4.G.A.2

What is a characteristic of an isosceles triangle?

• All angles are equal

• Two sides are equal

• All sides are equal

• No sides are equal

Which description fits a scalene triangle?

• Two sides are of equal length

• All angles are 60 degrees

• Each side has a different length

• All sides are of equal length

Tags

CCSS.4.G.A.2