NCERT Mathematics Class 9 Exemplar Ch 7 Triangles Part 4
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Exercise 7.3
Q.1. 1.ABC is an isosceles triangle with and BD and CE are its two medians. Show that
Q.2. 2.In Fig, D and E are points on side BC of a ∆ ABC such that and Show that ∆
Points on Side a, B, C, D
Points on side A, B, C, D
Q.3. CDE is an equilateral triangle formed on a side CD of a square ABCD (Fig.7.5). Show that
Equilateral Triangle
Equilateral triangle
Q.4. In Fig, , such that and . Show that .
∆ ABC ≅ ∆ DEF
∆ ABC ≅ ∆ DEF
Q.5. Q is a point on the side SR of a ∆ PSR such that. Prove that
Q.6. S is any point on side QR of a ∆ PQR. Show that: