Geometry: Areas of Triangles


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Calculate the areas for each of the rectangles below.

1 by 8 km rectangular shape area =   8  km2
13 by 3 cm rectangular shape area =   39  cm2
7 by 5 m rectangular shape area =   35  m2
30 m square area =   900  m2
area =   22  mm2

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Related Resources

The various resources listed below are aligned to the same standard, (4MD03) taken from the CCSM (Common Core Standards For Mathematics) as the Geometry Worksheet shown above.

Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.

Worksheet

Area and Volume

Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit

 

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