What is the surface area of the cone? Express your answer in terms of π.b

Given:

Radius of the cone = 5 ft

Slant height of the cone = 21 ft

To find:

The surface area of the cone

Solution:

Surface area of cone formula:

where r is the radius and l is the slant height.

The surface area of the cone is 130π square feet.

found it xd it ok yt

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.