Label a Right Triangle

What kind of triangle is this?

• Right triangle

• Acute triangle

• Obtuse triangle

• Equilateral triangle

The side across from the 90 degree angle is called the ________________.

• Leg

• Leg

• Hypotenuse

• Side

What letter could you use to label the side highlighted in blue?

• a

• b

• c

The side highlighted in blue is called the _____________.

• leg

• hypotenuse

• acute side

• obtuse side

What letter could be used to label the side highlighted in blue? (Hint: there are 2 correct answers!)

• a

• b

• c

• h

True or false? This triangle is labeled correctly.

• True

• False

The sides attached to the right angle are called the ______.

• Legs

• Hypotenuses

• Attached sides

Which side is highlighted in blue?

• Leg

• Hypotenuse

Label each of the following.

a

b

c

Long Leg

Hypotenuse

Short Leg

In relation to the angle θ, label the side marked a in this right-angled triangle.

• Hypotenuse

• Adjacent

• Opposite