lewishill63mlewis lewishill63mlewis

01-06-2017
Mathematics

contestada

what happens to the circumference of a circle if the radius is doubled

Respuesta :

anonymous79 anonymous79

01-06-2017

let radius be r initially
so circumference initially= 2rpi
when r is doubled,
radius = 2r
so circumference in the end= 4rpi
how many folds of increase? =4rpi/2rpi=2 times increase

Answer Link

Otras preguntas

This element has an atomic number that is double the atomic number of silicon. What element is it?

who becomes the main suspect in king duncans murder?

Why did Christopher Columbus not believe the earth was not flat and how did he prove to the people it wasn't?

What is sound and how does it produce?

Whom does Macbeth have murdered to keep one of the witches' prophecies from coming true?

How do you write 69,765,878,798,782?

Which statement is a correct expression of the Law of Conservation of Mass? A. The total mass is unpredictable in a chemical reaction. B. The total mass remains

I really need help with 7 and 8

Solid lithium and iodine gas are formed by the decomposition of solid lithium iodide . Write a balanced chemical equation for this reaction.

What is it called when scientists explore the world around them?