Answer :


In ΔABC, we know that sum of all interior angles in triangle is equal to 180°


P + Q + R = 180


Also, given that, P + Q = R,


2R = 180


R = 90°


Using Pythagoras Theorem,


PQ2 = PR2 + QR2


PQ2 = 72 + (24)2


PQ2 = 49 + 576


PQ2 = 625


PQ = 25


Option (b) is correct.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Pythagoras Theorem ki ApplicationPythagoras Theorem ki ApplicationPythagoras Theorem ki Application46 mins
Similarity - Apply it like a ChampSimilarity - Apply it like a ChampSimilarity - Apply it like a Champ45 mins
History - Concept and QuestionsHistory - Concept and QuestionsHistory - Concept and Questions57 mins
Match the ColumnsMatch the ColumnsMatch the Columns38 mins
Trigo Marathon Part 2Trigo Marathon Part 2Trigo Marathon Part 245 mins
Arithmetic Progression and 'nth' Term of APArithmetic Progression and 'nth' Term of APArithmetic Progression and 'nth' Term of AP55 mins
Trigo Marathon Part 1Trigo Marathon Part 1Trigo Marathon Part 146 mins
Heights and Distances - IIHeights and Distances - IIHeights and Distances - II45 mins
Heights and Distances - IHeights and Distances - IHeights and Distances - I54 mins
Application of Trigo Important QuestionsApplication of Trigo Important QuestionsApplication of Trigo Important Questions44 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
RELATED QUESTIONS :

AB = AC and <spanGujarat Board Mathematics

<spGujarat Board Mathematics

In ΔPQR, <img widGujarat Board Mathematics

m<sGujarat Board Mathematics

In ΔABC, mGujarat Board Mathematics

In ΔABC, mGujarat Board Mathematics

In ΔXYZ, mGujarat Board Mathematics

In ΔABC, mGujarat Board Mathematics

In ΔPQR, mGujarat Board Mathematics

â<spGujarat Board Mathematics