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Korolek [52]
3 years ago
5

The area of a circle is 23.79cm2. Find the length of the radius rounded to 2 DP.

Mathematics
1 answer:
Gnom [1K]3 years ago
8 0

Answer:

2.75cm

Step-by-step explanation:

Given data

Area of circle=  23.79cm^2

We know that the formula for the area of a circle is

Area= πr^2

Substitute

23.79=3.142*r^2

23.79/3.142= r^2

7.57=r^2

Square roo both sides

r= √7.57

r= 2.75 cm

Hence the radius is 2.75cm

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