Naming Types of Triangles

Classify the triangle by angles and sides.

• Obtuse Scalene

• Obtuse Isosceles

• Right Scalene

• Acute Isosceles

Classify the triangle by angles and sides.

• Equiangular Equilateral

• Right Isosceles

• Right Scalene

• Acute Isosceles

Classify the triangle by angles and sides.

• Equiangular Scalene

• Acute Scalene

• Acute Equilateral

• None of the above

What type of triange has 3 equal sides?

• Scalene

• Equilateral

• Isosceles

What type of triangle has no equal sides?

• Scalene

• Equilateral

• Isosceles

What type of triangle has all angles less than 90 degrees?

• Obtuse

• Acute

• Right

What type of triangle has 1 angle more than 90 degrees

• Obtuse

• Acute

• Right

What triangle has one 90 degree angle?

• Obtuse

• Right

• Acute

What type of triangle is this?

• Obtuse

• Acute

• Right

this is . . .

• an acute triangle

• an obtuse triangle

• a right triangle

• an isosceles triangle