NCERT Solutions for Class 10 Maths Chapter 6 Exercise 6.3

Class 10 Maths Exercise 6.3 is centered on identifying and proving the similarity of triangles using the different similarity criteria (AAA, SSS, SAS). To prepare for this, begin by reviewing the definitions and conditions for each similarity criterion. Focus on understanding how to apply these criteria to prove that two triangles are similar based on their corresponding angles and sides. Practice problems where you are required to use different similarity theorems and ensure that you can match the correct criterion to each scenario presented in the questions.

Work through problems that involve recognising patterns in triangles and using these patterns to establish similarity. Pay close attention to questions that involve right triangles, where you may need to use the RHS (Right angle-Hypotenuse-Side) criterion. Solving a variety of problems will help you become familiar with the different ways theorems can be applied and reviewing examples from previous classes can further solidify your grasp of triangle similarity.

Class X Maths Ex. 6.3 solutions are free to use without login. Download NCERT Solutions Offline Apps 2024-25 and NCERT Solutions updated on the basis of Latest CBSE Curriculum 2024-25 in accordance with new NCERT Books 2024-25 for CBSE and UP Board High School students.

NCERT Solutions for Class 10 Maths Chapter 6 Exercise 6.3 Triangles are available online and for free download in PDF format, updated for the 2024-25 academic year. Exercise 6.3 covers questions based on the similarity criteria, including SSS, SAS, AAA, and AA and is offered in both English and Hindi mediums.

In Exercise 6.3 the questions are based on similarity rule like SSS, SAS, AAA. Questions number 3 is same questions that we have done in Exercise 6.2 question number 10. But now it is according to similarity criteria but in exercise 6.2, it was based on converse of BPT. Question number 14 is the most important as well as tricky question of exercise 6.3.

1. The areas of two similar triangle ABC and triangle DEF are 225 cm² and 81 cm² respectively. If the longest side of the larger triangle ABC be 30 cm, find the longest side of the smaller triangle DEF.
2. If triangle ABC ~ triangle DEF, BC = 3EF and ar (ABC) = 117 cm² find area (DEF).
3. If triangle ABC and triangle DEF are similar triangles such that angle A = 45° and angle F = 56°, then find angle C.
4. If the ratio of the corresponding sides of two similar triangles is 2:3, then find the ratio of their corresponding attitudes.
5. Perimeter of two equilateral triangles ABC and PQR are 144 m and 96 m, find ar (ABC) : ar (PQR).

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