A vertical cross section of a cooling tower is a portion of a hyperbola, as shown in the diagram below. The standard form of the equation of the hyperbolic cross section is where x and y are measured in feet. The horizontal cross sections of the tower are circles. What is the smallest radius of a horizontal cross section? Round to the nearest foot.
A)52 feet
B)50 feet
C)72 feet
D)54 feet
E)60 feet

Question

A vertical cross section of a cooling tower is a portion of a hyperbola, as shown in the diagram below. The standard form of the equation of the hyperbolic cross section is  where x and y are measured in feet. The horizontal cross sections of the tower are circles.  What is the smallest radius of a horizontal cross section? Round to the nearest foot.
A)52 feet 
B)50 feet 
C)72 feet 
D)54 feet 
E)60 feet

Quizplus · Accepted Answer

The Answer of A vertical cross section of a cooling tower is a portion of a hyperbola, as shown in the diagram below. The standard form of the equation of the hyperbolic cross section is  where x and y are measured in feet. The horizontal cross sections of the tower are circles.  What is the smallest radius of a horizontal cross section? Round to the nearest foot.
A)52 feet 
B)50 feet 
C)72 feet 
D)54 feet 
E)60 feet

A Vertical Cross Section of a Cooling Tower Is a Portion