Triangles

A SCALENE triangle has _____________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides

What kind of triangle is this?

• obtuse scalene

• right isosceles

• acute equilateral

• right scalene

Name this triangle

• Acute, Scalene
• Obtuse, Scalene
• Right, Isosceles
• Acute, Equilateral

Classify the following triangle in as many ways as possible. 

• Right, Equilateral
• Obtuse, Scalene
• Obtuse, Equilateral
• Right, Scalene

Classify this triangle by its angles

• Acute

• Right

• Equilateral

• Obtuse

A triangle's sides measure 3 cm, 5 cm, and 7 cm. Its angles measure 110, 30 and 40 degrees. Classify the triangle.

• Scalene Obtuse

• Isosceles Right

• Scalene Acute

• Isosceles Obtuse

Identify the triangle by its sides and angles

• Equilateral

• Obtuse Equilateral

• Acute Equilateral

• Acute Isosceles

A right triangle can not be equilateral

• True

• False

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

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