HS.G-GMD.1
Give an informal argument for the formulas for the circumference of a circle, area of a circle, volume of a cylinder, pyramid, and cone.
Example Problems
The diameter of a circle is 10 units.
What is its circumference?
Use 3.14 for .
What is its circumference?
Use 3.14 for .
The diameter of a circle is 25 units.
What is its circumference?
Use 3.14 for .
What is its circumference?
Use 3.14 for .
The diameter of a circle is 6 units.
What is its circumference?
Use 3.14 for .
What is its circumference?
Use 3.14 for .
Khan Academy ResourcesVolume formulas reviewVolume of a pyramid or coneCavalieri's principle in 3DCavalieri's principle in 2DVolume of composite figuresVolume and surface area of cylindersApply Cavalieri's principleUse related volumesVolume of prisms and pyramidsApply volume of solidsDensity word problemsVolume of a sphereVolume of triangular prism & cubeCylinder volume & surface areaVolume of pyramids intuitionUsing related volumesArea of a circle intuitionVolume of a coneCavalieri's principle in 3DApplying volume of solidsVolumes of cones intuition

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