Chapter 11

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


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

Complete each statement.


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



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



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



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



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.



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



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


Short Answer


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?


Define the Pythagorean theorem.

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