Question

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 cm
b)64.3 cm
c)50.3 cm
d) 51.1 cm
e)41.1 cm

please help !

Answer 1

i think it will be \(40 sec\theta\)
where \(\theta\) = 77/2 =33.5

Answer 2

77/2=38.5