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Kobotan [32]
2 years ago
9

The area of a circle is 88.44 cm² find the length of the radius rounded to 2 DP

Mathematics
1 answer:
schepotkina [342]2 years ago
4 0

The radius of the circle is 5.30 cm.

<h3>What is a radius?</h3>

A radius is a line that extends from the center of a circle to any point of the circumference.

To calculate the length of the radius of the circle, we use the formula below.

Formula:

  • A = πr²......... Equation 1

Make r the subject of the equation

  • r = √(A/π).................. Equation 2

Where:

  • A = Area of the  circle
  • r = Radius of the circle
  • π = Pie

From the question,

Given:

  • A = 88.44 cm²
  • π = 22/7

Substitute these values into equation 2

  • r = √(88.44/(22/7))
  • r = √(88.44×7/22)
  • r = √(28.14)
  • r = 5.30 cm

Hence, the radius of the circle is 5.30 cm.

Learn more about radius here: brainly.com/question/24375372

#SPJ1

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