# maths

##### Across
1. 1. b^2-4ac is the _________.
2. 6. _________ probability is probability that is determined on the basis of reasoning.
3. 11. Trigonometric _______ are equations involving the trigonometric functions that are true for every value of the variables involved.
4. 13. Given a right circular cone, which is sliced through by a plane parallel to its base, when the smaller conical portion is removed , the resulting solid is called a ______ of a right circular cone.
5. 15. The graphical representation of a quadratic polynomial is known as ______
6. 17. The of grouped data can be obtained graphically as the x coordinate of the point of intersection of the two origin gives for the data
7. 18. The distance between two given points is found by _______ formula.
8. 20. The triangles whose corresponding angles are equal and corresponding sides are ______ are called similar triangles.
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1. 2. Numbers having non terminating non recurring decimal expansion are known as _______ Numbers
2. 3. The sequence 2,4,6,8.. lies in an ________ Progression
3. 4. cot stands for ______.
4. 5. A quadrilateral that has all sides equal but not diagonals is ________.
5. 7. probability of a sure event is _______.
6. 8. 9x+3y+12=0 and 18x+ 6y+24=0 has ______ lines.
7. 9. An algebraic expression consisting of one term-
8. 10. All equilateral triangle are _____.
9. 12. _______ division Algorithm is used to find the HCF of two positive number.
10. 14. A ______ is a region bounded by a chord of a circle and the intercepted arc of the circle
11. 16. When linear equations have no solution, lines are ______.
12. 19. A point equidistant from all the points on the circumference of the circle is called it's _____.