CCSS.MATH.CONTENT.7.G.B.4Know 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.
CCSS.MATH.CONTENT.HSG.GMD.A.1Give an informal argument for the formulas for the circumference of a circle, area of a circle, volume of a cylinder, pyramid, and cone.
Use dissection arguments, Cavalieri’s principle, and informal limit arguments.
LTI launch URL
(help)
https://schoolyourself.org/page/lti/sy/geometry/circumference
