Question 5 of exercise 14.1 of chapter symmetry 14 ncert book
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https://www.meritnation.com/cbse-class-7/math/math-ncert-solutions/symmetry/ncert-solutions/9_1_1285_44_270_1792
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https://www.meritnation.com/cbse-class-7/math/math-ncert-solutions/symmetry/ncert-solutions/9_1_1285_44_270_1792
Regards