snusrat snusrat

24-10-2016
Mathematics

contestada

a piece of string 25cm long goes exactly once round the edge of a plate in the firm of a quadrant

Respuesta :

HeavenlyHelper HeavenlyHelper

24-10-2016

well i assume it is a quarter of a plate so what is the area of a quarter circle? whole circum.=2*pi*r so a quarter = (2*pi*r)/4=(pi*r)/2 =25(given) so pi*r=50....so r=50/pi put this in the area formula pi(50/pi)^2=2500/pi =796

Answer Link

Otras preguntas

If Sarah is 80% of the way to achieving her goal and she has already run 40 miles, how many miles is she trying to run by the end of the month?

Vivian is uneasy and cautious around people who are not familiar. She does not like to be held by anyone, but her mother. According to Thomas and Chess, which t

What is the value of x?

HELP THIS IS DUE IN 1 HOUR

PLS THIS IS MY 3RD TIME I REALLY NEED THIS I PUT UP 50 POINTS FOR IT

Which of the following would most likely be the effect of a mutation in DNA?

Raju is painting the walls and ceiling of a room with length, breadth and height of the room are 10m, 5m, 2m respectively. From each can of paint, 10m2 of area

What is a central idea of the Newsela article, "A Critical History of Lord of the Flies"? Lord of the Flies has been very popular since its first appearance in

I need help pls...Thanks

There are 16 dominos in the center of the table to play the game. There are four players who are playing the game. Which equation can be solved to find the numb