khanagirl khanagirl
  • 03-03-2022
  • Mathematics
contestada

What’s the surface area of a cone with the height of 50 and a radius of 40

Whats the surface area of a cone with the height of 50 and a radius of 40 class=

Respuesta :

indrawboy
indrawboy indrawboy
  • 03-03-2022

the surface area of a cone: πr²+πLr

L = the slant height

r = radius of the base

r = 40 in : 2 = 20 in

L = 50 in

The surface area:

=π.20² + π.50.20

=1256+3140

=4396 in²

Answer Link

Otras preguntas

what side is shorter given two adjacent triangles
How did the London Company change life in Jamestown?
HELP !!!!!!!!!!!!!!!!!! ASAP !!!!!!!!!!!!!!!!!!!!!!!! Solve the inequality. Graph the solution. q - _ 8 ≥ −1
The circumference of a circle is 43.96 kilometers. What is the circle's diameter?
Mariel kept track of the color of shirts that customers bought at her store today. The following were her results at the end of the day.
Carmen spent $42 for 6 hats.How Much did each hat cost?
Here is a centimetre square grid. Draw a shape with an area of 11cm squared.
What cuts through central China
How do you figure this out?
WHAT SENTENCE IS AN OPINION? 1.Thomas Jefferson supported American independence from Great Britain 2.He was a lawyer in his home state of Virginia 3.Jefferson