Answer:
B
Step-by-step explanation:
The SA of a cone is A=pi*r^2+pi*r*s
So instead of pi*5^2, it should be pi*3*5 (5 is the length of the slant).
first setup your problem. it should look like this :
14: a
1
=
39
/2 0.25 313% 16%
15: 54
Transitive property is your answer
if ∠A ≅ ∠C, and ∠C ≅ ∠B then, ∠A ≅ ∠B
hope this helps
77%