lewishill63mlewis lewishill63mlewis
  • 01-06-2017
  • Mathematics
contestada

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

Respuesta :

anonymous79
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

Prove that P (P) = (QA ~ Q)] is a tautology.
Sabrina is planning a 1830-mile driving trip. Her car gets an average of 24 mpg, and the cost of gas is about $4.09/gallon. What is the approximate driving
What does the old Chinese proverb say connects two people who are destined to meet and influence each other?
Whats 73,200,000 divided by 10 5
Describe 3 safeguards that cells have to ensure damages and/or abnormal cell to not enter the cell cycle and reproduce
Terrance is very skilled in biological research and the scientific principles guiding his work. He is also punctual, well-organized, and has held several leader
The table shows some nutritional facts about orange juice. Estimate each value for 1 quart of orange juice. (Hint: 4 cups is equal to 1 quart.) Orange Juice (1
find the consecutive even integers such as the sum of the larger and 3 times the smaller is 234
What is psychology and the types​
What was life really like in the colonies?