andrew123124 andrew123124
  • 16-08-2020
  • Mathematics
contestada

The radius of a circle is 3.9 cm. What is the area of the circle? Use pi = 3.14

Respuesta :

hbj
hbj hbj
  • 16-08-2020

Answer:

A ≈ 47.759 cm²

Step-by-step explanation:

A = πr²

A = (3.14)(3.9)²

A = (3.14)(15.21)

A ≈ 47.759 cm²

Answer Link
ashley7873 ashley7873
  • 16-08-2020
because the area of a circle equals pi times radius squared and the radius is 3.9 A= 47.78
Answer Link

Otras preguntas

what does πr² mean and how do I solve it
Find two numbers whose product is -140 and sum is -4.
Inside which portion of a cell does translation take place? A. The endoplasmic reticulum B. The nucleus C. The cytosol D. The Golgi complex E. The cell membrane
Susan works 8 hours a day and makes $7.00 per hour. How much money does Susan earn in one week if she works 5 days per week?
Write an algebraic expression for two fifths the cube of a number
$6300 is invested , part of it at 12%, and part at 6%.  For a certain year, the total yield is 564.00.  How much was invested at each rate?
What is the nth term in the sequence: 4, 7, 12, 19, 28 Please show working out
What can you infer about Lennie's childhood and family life in the book of mice and men?
What is (-4.8y + 20.1) - (12.7y + 9.3)?
Luanne made a photocopy of a drawing of a rectangle. The original drawing was 4.5 inches wide and 6 inches long. The copy was 6.75 inches wide and 9 inches long