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

Solve and show work pleasee! :)
The width of a picture frame is 1\2 the length. Write an algebraic expression of four terms for the perimeter of the picture frame. Use l as your variable.
please help (WORTH A LOT OF POINTS, WILL GIVE BRAINLIEST!!)
Jenna saves $2,500 per year in an account that earns 10% interest per year, compounded annually. Jenna will have saved in 30 years. Her account balance is a res
What is the equation of the line that passes through the given points in slope intercepterpt form? (-2,3) and(3,-4)
What is humanities and why is it important ?
How did Muhammad unify Arabs and spread the Muslim faith?
9. What statements are NOT true about the solution of the system?
Science: Ecosystem Passage, Jan. 14, 2022 1. Read the passage about the ecosystems. 2. Answer the questions in complete sentences. 3. Use correct spelling and p
Estimate 7372 * 39 by first rounding each number so that it has only 1 nonzero digit.