View source for Construction of a triangle with two sides and included angle

Construing of a triangle when two of the sides and an angle of a triangle are known and recognizing the role of the given angle, this construction follows SAS congruence rule for the given parameters.

=== Objectives===
* To construct a triangle given two sides and an angles
* To understand the given angle should be included angle when two sides are given

===Estimated Time===
20 minutes

=== Prerequisites/Instructions, prior preparations, if any ===
Prior understanding of point, lines and angles, elements of triangle, properties of 	triangle

===Materials/ Resources needed===
* Digital : Computer, geogebra application, projector.
* Non digital : Worksheet and pencil
* Geogebra files :  [https://ggbm.at/h4zfnw7h "Triangle construction (2sides-1angle)]"
{{Geogebra|h4zfnw7h}}

===Process (How to do the activity)===
* For given angles and sides, which parameter will you start the construction with.
* If the given angle is drawn first what are the next steps of construction.
* How many triangles are possible if the triangle is drawn such that the given angle is not included angle ( - if the second side is not marked along the arm of the angle but from  point B)
* If you start the construction with a given side which of the other two parameters should be taken next  to complete the required triangle.
'''Evaluation at the end of the activity'''
* How many triangles are possible for given 2 sides and an angle?
* What is the additional condition that is required to be specified if 2 sides and 1 angle is given for constructing a triangle?

<nowiki>**</nowiki>[http://www.robocompass.com/share?id=tofoqmqfhg12 Actual construction (using robocompass)]

[[Category:Triangles]]
[[Category:Class 8]]
[[Category:Classroom activities]]