422374 422374
  • 02-03-2017
  • Mathematics
contestada

Find the area of a sector with a central angle of 40 degrees and a diameter of 12 cm.

Respuesta :

baabaagreysheep
baabaagreysheep baabaagreysheep
  • 02-03-2017
First you need to find the area of the circle by doing πr², in which r is 6 because 12 ÷ 2 = 6. π × 6² = 36π. 360 ÷ 40° = 9, so you need to divide 36π by 9 which is 4π. 4π is equal to 12.57cm², which is your final answer. I hope this helps!
Answer Link

Otras preguntas

1. Which is most likely to occur when technology advances? A Devices are designed. B Inventions are made. C Results are improved. D Jobs are lost.
A recreation center charges nonmembers $3 to use the pool and $5 to use the basketball courts. A person pays $42 to use the recreation facilities 12 times. How
How were the Americans able to win such an overwhelming victory at Trenton?
In the number 8444 what is the relationship betwee n the 4s? Think about the value of each 4 to help you find your answer
What was the result of the Crusades opening travel to the Near East and bringing back new goods? Trade to Western Europe grew. Interest for new trade routes dec
Most earthquakes happen: A.) near passive margins B.) near subduction zones C.) in the middle of continents D.) in a ring around the Atlantic Ocean
Suma a trei numere este 30. Primul numar este de doua ori mai mare decat triplul celui de-al treilea numar si de doua ori mai mare decat al duilea numar. Care s
4a - 5 + 2a + 9 =28
40 degrees north 30 degrees ouest
how did the great depression affect political life in Germany and Japan?