U.7 L.3 Classify Triangles

Classify the triangle by its angles and sides.

• Right Equilateral triangle

• Right Scalene triangle

• Obtuse Scalene triangle

Classify the triangle by its angles and sides.

• Acute Equilateral triangle

• Acute Isosceles triangle

• Acute Scalene triangle

Classify the triangle by its angles and sides.

• Obtuse Scalene triangle

• Acute Scalene triangle

• Obtuse Isosceles triangle

Classify the triangle by its angles and sides.

• Right Equilateral triangle

• Acute Isosceles triangle

• Right Isosceles triangle

Determine if the statement is always, sometimes, or never true.

If a triangle has two acute angles it must be an acute triangle.

• Always true

• Sometimes true

• Never true

Determine if the statement is always, sometimes, or never true.

An obtuse triangle can have a right angle.

• Always true

• Sometimes true

• Never true

Which diagram represents an acute isosceles triangle?

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Classify the triangle by its angles and sides.

• Right Isosceles triangle

• Right Scalene Triangle

• Right Equilateral triangle

• Acute Isosceles triangle

Classify the triangle by its angles and sides.

• Obtuse Isosceles triangle

• Acute Isosceles triangle

• Acute Scalene triangle

• Obtuse Scalene triangle

Classify the triangle by its angles and sides.

• Acute Scalene triangle

• Acute Isosceles triangle

• Obtuse Equilateral triangle

• Acute Equilateral triangle