Constructing a triangle using a protractor
There are two types of triangle that you might be required to construct using a ruler and protractor. The first type is where you are given two sides and the included angle (SAS). The second type is where you are given two angles and the included side (ASA).
SAS: side - angle - side
ASA: angle - side - angle
Two sides and the included angle (SAS)
Image caption, Constructing a triangle with SAS
Image caption, Constructing a triangle with SAS
Image caption, Constructing a triangle with SAS
Image caption, Constructing a triangle with SAS
Image caption, Constructing a triangle with SAS
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Two angles and the included side (ASA)
Image caption, Constructing a triangle with ASA
Image caption, Constructing a triangle with ASA
Image caption, Constructing a triangle with ASA
Image caption, Constructing a triangle with ASA
Image caption, Constructing a triangle with ASA
1 of 5
End of image gallery