# Squaring the Circle

Calculating side of the square with the same area as the circle of radius 18.

Result

x =  31.9

#### Solution:

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

## Next similar examples:

1. Percentage of waste
In a square plate with side 75 cm we cut 4 same circles. Calculate the percentage of waste.
2. Quatrefoil
Calculate area of the quatrefoil which is inscribed in a square with side 6 cm.
3. Cutting circles
From the square 1 m side we have to cut the circles with a radius of 10 cm. How many discs we cut and how many percent will be waste?
4. Pipeline
How much percent has changed (reduced) area of pipe cross-section, if circular shape changed to square with same perimeter?
5. CD disc
A compact disc has a diameter of 11.8 cm. What is the surface area of the disc in square centimeters?
6. Circular lawn
Around a circular lawn area is 2 m wide sidewalk. The outer edge of the sidewalk is curb whose width is 2 m. Curbstone and the inner side of the sidewalk together form a concentric circles. Calculate the area of the circular lawn and the result round to 1
7. Cable
Cable consists of 8 strands, each strand consists of 12 wires with diameter d = 0.5 mm. Calculate the cross-section of the cable.
8. Annulus
Two concentric circles form an annulus of width 10 cm. The radius of the smaller circle is 20 cm. Calculate the content area of annulus.
9. Ace
The length of segment AB is 24 cm and the point M and N divided it into thirds. Calculate the circumference and area of this shape.
10. Circle - simple
Calculate the area of a circle in dm2, if its circumference is 31.4 cm.