Construct A Triangle Given Two Sides And An Angle
More Lessons for Grade 6
In this lesson, we will learn how to construct a triangle given two sides and an angle between them (SAS). In order for the triangle to be unique, the angle given must be between the two given sides.
Construct a triangle PQR given that PQ = 4 cm, PR = 5 cm and = 120˚.
We construct a 60˚ angle and get the supplementary angle, which is 120˚.
Step 2 :
We construct 2 line segments of 4 cm and 5 cm from P respectively. Then, draw a line from Q to R to form the triangle.
This video shows how to construct a triangle given two sides and the included angle (SAS).
Construction: Triangle - 2 Sides, 1 Angle
A demonstration of how to construct a triangle, give the lengths of two sides and the angle between them.
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