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

The set of all numbers greater than or equal to −5 and less than 5.
john c calhoun changed which of his beliefs from being a federalist to believing in state sovereignty
how did political corruption in the 19th century work?please help ​
15. What is 5¹/4 ÷ 2²/7 ?A. 2 ¹⁹/64 B. 12C. 2D. 12 ¹⁹/64Please help it's urgent... I'll mark brainlist if you answer and get it right ​
Help with this please! I really confuse and don’t understand.
What is one way to support a claim? (5 points) O Examples O Exclamation marks Footnotes O Headings
how are Matthew 5:3 and Luke 6:20 are different from each other.
Answer asap for brainlist
PLEASE HELP LOOK AT PICTURE
Miles is a licensed agent who represents Colgate Health and its Medicare Advantage (MA) plans. Miles has several clients who have recently come to him for help.