Hypotenuse Leg Theorems

Find the missing length.

• 17

• 23

• 12.7

• 7

The Pythagorean Theorem is only true for what kind of triangle?

• Right

• Isosceles

• Acute

• Obtuse

The longest side of a right triangle is always

• a

• b

• c

• The letter doesn't matter.

The shorter sides of a right triangle are called

• Legs

• Arms

• Theorems

• Isosceles

For which situation could you prove ∆1 ≅ ∆2 using the HL (Hypotenuse-Leg) Theorem?

Answer explanation

The hypotenuses are only marked as congruent in the third picture.

Which statement is true about the Hypotenuse-Leg (HL) theorem?

• It can be used for any type of triangle.

• It only applies to right triangles.

• It requires two legs to be congruent.

• It is a special case of the ASA theorem.

WHAT TRIANGLE CONGRUENCE IS ILLUSTRATED?

• HYPOTHENUSE-ANGLE

• HYPOTENUSE-LEG

• LEG-LEG

The hypotenuse of the following triangle measures

• 28

• 23

Which pair of triangles can be proven congruent using the Hypotenuse-Leg Theorem?

• 
• 
• 
• 

When using hypotenuse leg (HL) in a proof, you must first state ...

• CPCTC.

• there are right triangles.

• that vertical angles are congruent.

• the reflexive property.