hmayllazhungo
hmayllazhungo hmayllazhungo
  • 12-06-2022
  • Mathematics
contestada

The area of a circle is 616 cm². Find its circumference. Use π = 22/7
A) 88 cm
B) 44 cm
C) 88 cm²
D) 44 cm²​

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 12-06-2022

Area = PI x r^2

Circumference = 2 x r x PI

Using area find the radius )r)

616 = 22/7 x r^2

Divide both sides by 22/7:

196 = r^2

Take the square root of both sides:

r = 14 cm

Now find the circumference:

2 x 14 x 22/7 = 88 cm

Answer : A) 88 cm

Answer Link

Otras preguntas

What is the historical significance of a republic
6 divded by 2/3 = what
Describe how the Hawaiian Islands were formed and how they are evidence for mantle plumes.
what is 7/5 as a decimal number
How many chromosomes does each new cell contain after mitosis if the original cell had 52 original cell chromosomes
How many chromosomes does each new cell contain after mitosis if the original cell had 52 original cell chromosomes
what are three physical properties of aluminum foil
6 divded by 2/3 = what
What biome is New Caledonia considered?
what are three physical properties of aluminum foil