NCERT Solutions For Class 9 Maths Chapter 7 Triangles Exercise 7.4
Q.1. Show that in a right angled triangle, the hypotenuse is the longest side.
Ans:
Q.2. In Figure, sides AB and AC of Δ ABC are extended to points P and Q respectively. Also, ∠ PBC < ∠ QCB. Show that AC > AB.
Q.3. In Figure, ∠ B < ∠ A and ∠ C < ∠ D. Show that AD < BC.
Q.4. AB and CD are respectively the smallest and longest sides of a quadrilateral ABCD (see Figure). Show that ∠ A > ∠ C and ∠ B > ∠ D.
Q.5. In Figure, PR > PQ and PS bisects ∠ QPR. Prove that ∠ PSR > ∠ PSQ.
Q.6. Show that of all line segments drawn from a given point not on it, the perpendicular line segment is the shortest.
Ans:
