Easy formulas and examples for circumference and area of a circle: C = 2r · π and A = r^r · π; video by Julie Harland http://yourmathgal.com<br />For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos<br/>Aligned to Common Core State Standard: 7.G.4
Circles 1 - Circumference and Area
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Circles 1 - Circumference and Area
Standards
Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.
