Stairs that measure 22 feet long are used to let
Use the drop downs to answer the following questions:
passengers off an airplane. The distance from the bottom What measure represents a and c in the Pythagorean
of the stairs to the point perpendicular to the plane door
theorem, a2 + b2 = c27
is 11 feet
22 ft
How high is the plane door from the ground?
Round to the nearest hundredth.
feet.
b
11 ft

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit