Classifying Triangles by Sides and Angle Measures

If a triangle has all angles less than 90° and two equal sides, what type of triangle is it?

• Acute Isosceles

• Acute Scalene

• Obtuse Scalene

• Obtuse Isosceles

Tags

CCSS.4.G.A.2

If a triangle has all three angles equivalent and all three sides equivalent, what type of triangle is it?

• Acute Isosceles

• Equilateral

• Obtuse Scalene

• Obtuse Isosceles

Tags

CCSS.4.G.A.2

A right triangle has one angle that measures _______ and two acute angles.

• 90°

• less than 90°

• more than 90°

• 180°

Tags

CCSS.7.G.B.5

An ____________ triangle has three equal sides.

• isosceles

• equilateral

• scalene

Tags

CCSS.4.G.A.2

A _________ triangle has no equal sides.

• scalene

• isosceles

• equilateral

Tags

CCSS.4.G.A.2

If a triangle has one angle greater than 90° and no equal sides, what type of triangle is it?

• Acute Isosceles

• Acute Scalene

• Obtuse Scalene

• Obtuse Isosceles

Tags

CCSS.4.G.A.2

Triangles can be classified by what two things?

• Side length

• Number of Vertices

• Angles

• Congruent Sides

Tags

CCSS.4.G.A.2

An acute triangle has __________ angles that each measure less than 90°.

• one

• two

• three

• four

Tags

CCSS.4.G.A.2

An isosceles triangle has _________ equal sides.

• one

• two

• three

• four

Tags

CCSS.4.G.A.2

An obtuse triangle has one angle that measures _____________ 90°.

• less than

• exactly

• more than

Tags

CCSS.4.G.A.2