ifnkfiwked ifnkfiwked
  • 03-05-2017
  • Mathematics
contestada

What is the surface area of a cone with diameter 28cm and height 22cm

Respuesta :

Beginner123
Beginner123 Beginner123
  • 03-05-2017
The surface area of a cone is : pi•r•slant height + pi•r^2

If d=28 then r=14
Use the pythagorean theorem to find the slant height c^2 = 14^2 + 22^2
C^2 = 680
C = 26.08 (rounded)

Pi•14•26.08 + 196pi = 1,762.67 squared cm
Answer Link

Otras preguntas

(07.06) If the greatest value the variable m can be is less than 9, which of the following inequalities best shows all the possible values of m? m < 9
What was Hitler's main torture
Food borne illnesses are diseases that are
parker ran 800 meters, 6 kilometers,and 4,000 centimeters. How many meters did he run all together?
Explain the following statement "digestion begins in the mouth"
The answer to the problem.
Is this right?? Picture
Sandra throws an object into the air with an initial vertical velocity of 38 feet per second, from a platform that is 30 feet above the ground. How long will it
Rachel needs to wite 3 book reports with b pages and 3 science reports with s pages during the school year. Write an algebraic expression for the total number o
What are three Isaac newton inventions.