Across
- 1. 7. = 22/7
- 3. 19. Is a A parallelogram with sides of equal length.
- 4. angels 10.When the sum of the measures of two angles is 90°, the angles are called as .
- 8. 8. In practical geometry, making with a compass is important as it shows the angles to be marked by drawing a line through it.
- 9. 4. The distance of any number from 0 is called its absolute value of an .
- 11. 12.There are unlimited number of rational numbers between two rational .
- 12. 3. integers are a collection of numbers containing numbers and their negatives.
- 13. 6. An angle whose arms coincide with each other without taking any rotation is called as angle.
- 16. 11.Two lines l and m intersect if they have a point in common. This common point O is their point of .
- 18. 5. pair is a pair of adjacent angles whose non common arms are opposite rays.
Down
- 1. 18.A quadrilateral with each pair of opposite sides parallel is called as .
- 2. 20.A rectangle with sides of equal length:
- 4. 15.The distance around a circular region is known as its .
- 5. 13. is the distance around a closed figure whereas area is the part of plane occupied by the closed figure.
- 6. 1. Rational numbers are numbers which are in the form p/q where p and q are integers and q≠0.
- 7. 14.Area of a square = side × .
- 10. 9.In an equation there is always an sign.
- 14. 2. 2xy2 + 3xy2 are a number.
- 15. 17.The angle by which the object rotates is the angle of .
- 17. 16.A figure has line if there is a line about which the figure may be folded so that the two parts of the figure will coincide.