# Mathematics

##### Across
1. 3. Mathematician with whose name Basic Proportionality Theorem is known.
2. 4. Sine of (90 degree - 0).
3. 5. For any two numbers, HCF X LCM = ________ of numbers.
4. 6. Method of solving a pair of linear equation in which one variable is eliminated by making its cofficients equal in the two equations.
5. 7. The ratio of the areas of two similar triangles is equal to the ratio of the ________ of their corresponding sides.
6. 9. A pair of lines representing a pair of linear equations in two variables having no solution.
7. 11. Two figures with same shape and size.
8. 12. Type of solutions of pair of linear equations represented by two intersecting lines.
9. 13. The numbers that include rational and irrational number.
##### Down
1. 1. The numbers that have either terminating or non-terminatig repeating decimal expansion.
2. 2. The degree of variables in a linear equation.
3. 5. Mathematician who proved that in a right triangle, the square of the hypotenuse is equal to the sum of the square of the other two sides.
4. 6. Triangles whose corresponding angles are equal.
5. 8. ________ division algorithm is used to find the HCF of two positive numbers.
6. 9. The number that has exactly two factors, one and the number itself.
7. 10. Graphical representation of alinear equation in teo variable.