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GeoGebraGeoGebra Classroom

Area of plane figures

Determing the ARea of Plane figures

Area

*Count the number of full boxes on the diagram and note down. * Using the dimensions of the diagram, is there any other way you can can arrive at the same value?

Determing the ARea of Plane figures

Area of a Triangle

Count the number of full boxes and the record them Count the half boxes and record them down. Add the full and the half boxes and write the value. * How else do you think you can determine the value usin the dimensions on the diagram?

Determing the ARea of Plane figures

Area of a circle

Count the full boxes and record them Count the half circles and record them Find the total number of complete boxes you have in toyal How else can you determine the value obtained above using the dimension of the circle?