Q. 3

Construct ΔLMN, in which M =60°, N =80° and LM+MN+NL=11cm.

Answer :

Given: Q =70°,

R = 80° and

perimeter of Δ PQR

Steps of construction:

i: Draw a line segment AB of 11cm.

ii: From point A draw a ray AD at 60° and from B draw a ray BE at 80°

iii: Draw an angle bisector of A and B, two angle bisectors intersect each other at point P.

iv: Draw a line bisector of AP and BP respectively these two-line bisectors intersect at point Q and R

v: Join PQ AND PR

vi: Δ PQR is required triangle.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Champ Quiz | Mastering Triangles44 mins
RD Sharma | Important Proofs in Triangles28 mins
Congruency and Similarity28 mins
Triangles - Important Questions39 mins
Quiz | Are You Master of Triangles?48 mins
NCERT | Congruency of Triangles43 mins
R.D. Sharma | Triangles33 mins
NCERT | Triangle Inequalities47 mins
Champ Quiz | Congruency of TrianglesFREE Class
Champ Quiz | Know About Triangles50 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses