MA.912.GR.4.4
Solve mathematical and real-world problems involving the area of two-dimensional figures.
Example Problems
A circular archery target has an area of .
What is the radius of the target in centimeters?
What is the radius of the target in centimeters?
An artist is designing a circular mural with an area of .
What is the diameter of this mural in feet?
What is the diameter of this mural in feet?
An observatory's circular platform has an area of .
What is the diameter of this platform in meters?
What is the diameter of this platform in meters?
Khan Academy ResourcesVolume formulas reviewFind missing length when given area of a triangleFind missing length when given area of a parallelogramDensity word problemsCoordinate plane word problems: polygonsArea of composite shapesArea of trapezoid on the coordinate planeArea of a triangleFinding area by rearranging partsVolume densityArea of a parallelogramCoordinate plane word problemArea of composite shapesArea densityFinding height of a parallelogramProof: Matrix determinant gives area of image of unit square under mappingTriangle missing side exampleArea of quadrilateral with 2 parallel sides

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