Maths MA

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Across
  1. 2. An equation involving trigonometric ratios of an angle are called a
  2. 4. The tangent to a circle is ___________ perpendicular to the radius through the point of contact.
  3. 6. All ________ triangles are similar.
  4. 7. the list of numbers in which each term is obtained by adding a fixed number d to the preceding term, except the first term is known as
  5. 9. the expression b2−4ac is called the
  6. 10. Who is the famous Greek mathematician gave an important truth relating to two equiangular triangle.
Down
  1. 1. Sec 90degree
  2. 3. A line that intersects the circle at only one point is called
  3. 5. The line drawn from the eye of an observer.
  4. 8. the last term of AP is called the