Triangles

What does the 'tri' in the word triangle mean?

• one

• two

• three

• four

Triangles are categorized by

• the length of the sides

• the size of the angles

• the length of the sides and the size of the angles

• the height and width of the triangle

Which three types of angles feature in the naming of triangles?

• Acute angle

• Right angle

• Alternate angle

• Complementary angle

• Obtuse angle

What are the three triangles identified by the length of the sides?

• Acute

• Equilateral

• Isosceles

• Obtuse

• Scalene

The point of the triangle labeled P is called the

• apex

• base

• hypotenuse

• side

The line AB of the triangle is called the

• apex

• base

• hypotenuse

• side

The line BC of the triangle is called the

• apex

• base

• hypotenuse

• side

If angle C is the referenced angle then the side AC is called the

• Adjacent angle

• Vertex angle

• Opposite side

• Adjacent side

The vertical distance from the base of a triangle to the apex is called the

• Base

• Apex

• Altitude

• Side

Which type of triangle is this?

• Equilateral

• Isosceles

• Right

• Obtuse