Across
- 5. In a right triangle the square of the hypotenuse is equal to the sum of
- 7. The diagonals of a _____ divide each other proportionally.
- 9. If in two triangles, corresponding angles are equal,then the triangles are similar.
- 10. If a line is drawn parallel to one side of triangle intersecting the other two sides, then it divides the two sides in the same ratio.
- 11. Similarity criterion in which corresponding sides of two triangles are in the same ratio.
- 16. Every _________ can be expressed as product of prime numbers.
- 18. The real numbers which cannot be expressed in the form of p/q, where p and q are integers and q ≠ 0 are known as __________ numbers.
- 19. Euclid's Divison __________ states that if a and b are positive integers such that a=bq+r then every common divisor of a and b is a common divisor of b and r, and vice versa.
- 20. All ________ decimals are rational numbers that can be written as reduced fractions with denominators containing no prime number factors other than two or five.
Down
- 1. Two figures having the same shape but not necessarily same size.
- 2. of the other sides.
- 3. The lengths of a tangent drawn from a common exterior point are _________
- 4. The ________ of an angle of a triangle divides the opposite side internally in the ratio of the sides containing the angle.
- 6. Similarity criterion in which two angles of a triangle are respectively equal to the two angles if other triangle.
- 8. The line drawn from midpoint of one side of a triangle is parallel if another side bisects the third side.
- 11. A line which intersects a circle in two distinct points.
- 12. A line that intersects the circle in exactly one point.
- 13. Region enclosed by two radii and the corresponding arc.
- 14. A collection of those points on a plane that are at a given constant distance from a given fixed point.
- 15. Euclid's _________ lemma states that given two positive integer a and b, there exists whole number q and r such that a=bq+r, 0 ≤r < b.
- 17. Region enclosed by a chord and corresponding arc.