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

what year was hunley found at the bottom of the ocean?​
Based on the information in the table, which two elements are most likely in the same group, and why?
Harappan civilization Built well-planned cities Created a written language ? A. Traded with other ancient civilizations B. Only built temporary cities C. Was de
Solve for x. Enter your answer in the box. X=
Which is equivalent to the expression below?
I've been stuck on this problem for 23456789 minutes please help!!
When a punter kicks a football, is he doing any work on the ball while the toe of his foot is in contact with it? a. Is he doing any work on the ball after it
math solve questions​
Solve the equation: 342 = 2x - 8. Show your reasoning.​
A type of bacteria reproduces through binary fission every hour. What happens to the number of bacteria each hour?A type of bacteria reproduces through binary f