Find the area of the circle. Use the π button on a calculator. Give the answer to 3 significant figures. Image caption, The diameter of the circle is 12 m. The formula for the area of a circle ...

How to calculate wire size and length in making rings - selected wire size depends on the motifs of the ring. - small motifs using 0.6-0.7mm diameter wire ( 22-21 gauge - 4 round ) - big motifs using ...