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

Match the description to the character. "Master Harold" 1. hopes to live in a quiet home and become a writer 2. hopes for more world awareness and to live in
the perimeter of a rectangle is 21 cm. the length is 9.5cm greater than the width. find the width and length of the rectangle
To create her study guide, Theresa should gather information from her a. Class notes and lecture notes only c. Past quizzes and friend’s notes b. Class notes,
Austria-Hungary opposed the formation of a “greater Serbia” because
Time is measured along the x-axis. What is measured along the y-axis? The business cycle
What is the human capital and what is one important way you can invest in your own human capital
Please help me and explain this.brianliest
Help find the slope of each line
How many words can you get out of the word Biogrophy
what is -x-3y=-3 and 2x+3y=5 using elimination method?