NCERT Mathematics Class 10 Exemplar Ch 6 Triangles Part 4 (For CBSE, ICSE, IAS, NET, NRA 2022)

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1. In a Δ PQR, and M is a point on side PR such that . Prove that

2. Find the value of x for which in Fig. 6.8.

Value of X for Which DEΠ AB

Answer: x = 2

3. In Fig. 6.9, if and , then prove that .

If ∠ 1 = ∠ 2 and Δ NSQ ≅ Δ MTR

4. Diagonals of a trapezium PQRS intersect each other at the point O, and ₹ . Find the ratio of the areas of triangles POQ and ROS.

Answer: 9: 1

5. In Fig. 6.10, if and AC and PQ intersect each other at the point O, prove that . AP.

If ABΠ DC and AC and PQ at the Point O

6. Find the altitude of an equilateral triangle of side .


7. If , , , and , find the perimeter of Δ ABC.


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