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

What expression is equivalent to the expression b(3b-15)

what is the value of r in: 1/7(105+r)=20

I need help with number four

Please help, will mark brainliest! I know 1 is not B, 2 is not A, and 3 is not D. 1. Who believed that economic security should be placed ahead of integration?

In the mid-1800s, why did Northerners want the Kansas and Nebraska territories organized? to protect American Indians from attacks by settlers to balance the nu

A copy machine makes 36 copies per minute. How long does it take to make 189 copies?

What are the reasons that people say international aid to Africa is doing more harm than good? What are some alternatives to sending international aid to Afric

if you randomly choose a dinner combination from the tree diagram shown,what is the probability that you choose a dinner with a chicken burrito

President Truman sought to support the power of unionized labor when he vetoed what bill?

Probability theory predicts that there is a 43.4% chance of a particular basketball player making 5 free throws in a row. If the basketball player taking 5 free