Austin keeps a right conical basin for the birds in his garden as represented in the diagram. The basin is 40 centimeters deep, and the angle between the sloping sides is 77°. What is the shortest distance between the tip of the cone and its rim?


A.
177.8 centimeters
B.
64.3 centimeters
C.
50.3 centimeters
D.
51.1 centimeters
E.
41.1 cm