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Chapter 11



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

The formula for determining the hypotenuse of a right triangle is __________.
a.
a2 + c2 = b2
b.
c2 = a2 + b2
c.
c2 = b2 – a2
d.
b2 + c2 = a2
 

Completion
Complete each statement.
 

 2. 

A right triangle has sides that measure 3' and 4'. The hypotenuse will measure ____________________.
 

 

 3. 

If a right triangle has one side that measures 20" and the hypotenuse measures 60", the second side will measure ____________________.
 

 

 4. 

The two sides of a right triangle measure 12" and 15". The hypotenuse will measure ____________________.
 

 

 5. 

If the base of a right triangle measures 30 feet and the hypotenuse measures 45 feet, the height of the triangle is ____________________.
 

 

 6. 

If an antenna has a guy wire attached 65' from the ground and the other end is attached to an anchor 18' from the tower, the guy wire is ____________________ feet long.
 

 

 7. 

Many things in construction are laid out with square corners and the ____________________ method is a good way to check the squareness of those corners.
 

 

 8. 

If the height of a triangle is 13' 9" and the hypotenuse is 15' 6", the base of the triangle will be ____________________.
 

 

Short Answer
 

 9. 

If a 16' ladder is placed against a wall and the base of the ladder is 4' away from the wall, at what height will the ladder touch the wall?
 

 10. 

Define the Pythagorean theorem.
 



 
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