Q. 13.7( 22 Votes )

Construct Δ PQR, in which Q =70°, R = 80° and PQ+QR+PR=9.5cm

Answer :

Given: Q =70°,

R = 80° and


perimeter of Δ PQR


Steps of construction:


i: Draw a line segment XY of 9.5cm.



ii: From point X draw a ray XD at 70° and from Y draw a ray YE at 80°.



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



iv: Draw a line bisector of XA and AY respectively these two-line bisectors intersect at point B and C.



v: Join AB and AC.



vi: Δ ABC 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 TrianglesChamp Quiz | Mastering TrianglesChamp Quiz | Mastering Triangles44 mins
RD Sharma | Important Proofs in TrianglesRD Sharma | Important Proofs in TrianglesRD Sharma | Important Proofs in Triangles28 mins
Triangles - Important QuestionsTriangles - Important QuestionsTriangles - Important Questions39 mins
Quiz | Are You Master of Triangles?Quiz | Are You Master of Triangles?Quiz | Are You Master of Triangles?48 mins
Champ Quiz | Congruency of TrianglesChamp Quiz | Congruency of TrianglesChamp Quiz | Congruency of TrianglesFREE Class
NCERT | Congruency of TrianglesNCERT | Congruency of TrianglesNCERT | Congruency of Triangles43 mins
NCERT | Triangle InequalitiesNCERT | Triangle InequalitiesNCERT | Triangle Inequalities47 mins
NCERT | Practice Imp. Qs. on TrianglesNCERT | Practice Imp. Qs. on TrianglesNCERT | Practice Imp. Qs. on Triangles44 mins
R.D. Sharma | TrianglesR.D. Sharma | TrianglesR.D. Sharma | Triangles33 mins
Champ Quiz | Know About TrianglesChamp Quiz | Know About TrianglesChamp 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
caricature
view all courses