1. The surface area of a cone S is S=

, where r is the radius of the base and l is the slant height.
2. The slant height l is found as follows:



3.


4. The answer is C
Answer:
65.45
Step-by-step explanation:
you do 3.14*5^2*2.5/3
Answer:
x = 9
Step-by-step explanation:
Since the angle is bisected by rhe segment then the ratio of the sides to the corresponding parts of the base are equal, that is
=
( cross- multiply )
20x = 180 ( divide both sides by 20 )
x = 9
Answer:
Step-by-step explanation:
3x and 8x