Triangles

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Across
  1. 2. two lines each 5cm are ---
  2. 4. the value of x satisfying the polynomial is called its--
  3. 5. this lemma is used to find HCF
  4. 6. each number of a progression us called---
Down
  1. 1. the highest power of polynomial is ---
  2. 3. two triangles having all angles equal are----