atejeda12
atejeda12 atejeda12
  • 28-07-2019
  • Mathematics
contestada

#18-7: Find the radius of a circle that has an area of 4.5216 cm^2. Use 3.14 for pi.

Respuesta :

Аноним Аноним
  • 28-07-2019

Answer:

r = 1.2 cm

Step-by-step explanation:

Area (A) of a circle = πr²

r² = [tex]\frac{A}{Pi}[/tex]

r = [tex]\sqrt{\frac{A}{Pi} }[/tex]

r = [tex]\sqrt{\frac{4.5216}{3.14} }[/tex] = 1.2 cm

Answer Link

Otras preguntas

difference between mitosis and meiosis
Is it possible to fly from Norway to USA across the North Pole?
difference between mitosis and meiosis
What is acceleration due to gravity
3y+2/4=7 I don't understand this at all
Peter is reading a 193-page book. He has read three pages more than one fourth of the number of pages he hasnt yet read. How many pages has he not yet read? Est
PROVE :(secA+tanA)2 =(1+sinA)/(1/sinA)
Prove-: sin5A = 5cos^4 A sinA - 10cos^2 A sin^3 A + sin^5 A
what are 'pneumatopores' ?? how do they help the plant ? ? give an eg.
The number of boys in ninth grade is 12 less than twice the number of girls. There are 51 students in ninth grade. How many are girls?