PetricevicE01 PetricevicE01

23-03-2015
Mathematics

contestada

The diameter of this compact disc is 11.8cm. The hole in the middle has a area of 1.54cm2. What is the area of the plastic in this disc?

Respuesta :

Since3122015 Since3122015

23-03-2015

[tex]A=A_{disc}-A_{hole}\\A=\pi r^2-(1.54)\\A=\pi(5.9)^2-1.54\\A=34.81\pi -1.54\\A=109.358840271-1.54\\A=107.818840271[/tex]

Area = 107.82 square inches.

Answer Link

Otras preguntas

In parallelogram abcd, ab = 14 inches and bc = 20 inches. What is the perimeter of parallelogram abcd?

how you are going to use the online platforms responsibly as a source of information you may cite an example on how will you comply to existing laws on use the

Find the slope of the line that passes between (1.-8) and (-3.0).

Helpppppppppppppppppppppppppp

An expository essay instructs, provides information, or explains. In this essay, you are presenting information and explaining why you think the ideas and work

what is the theme of the story "Hide and Seek" by T. Albert? (need answers ASAP)

Create a storyboard for an adaptation of Hamlet’s soliloquy from Act III, Scene i

A specific Location in America has closed down several fossil fuel units and set up geothermal plants. In your own words, explain how this would affect the peop

What trends do you see in these calculations? How does the percent increase that occurred from 2000 to 2010 compare with the projected increase from 2020 to 203

Hello everybody! I hope everyone has a blessed day and remember to keep smiling! :) Just remember... You got this! Good luck on your assignments!