geometry

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Across
  1. 2. two adjacent angles are 90 degree each,they form a _______
  2. 8. an ______of a triangle corresponding to any side is the length of perpendicular drawn from the opposite vertex to that side
  3. 9. a proposition ,whose truth can easily be deducted from a preceding theorem is called ____
  4. 10. a line meets the circle only at one point is called as _______
  5. 12. the formula of 1/2Bh is used to determines triangle _____
  6. 13. two angles are said to be complementary,if their sum is one right angle ie 90 degree
  7. 14. if each angle of a polygon is less than 180 is called as_______
  8. 16. in a right angled triangle the square of the length of the hypothenuse is equal to the sum of the square of the length of the remaining two sides
  9. 17. whose one end is fixed and the other end can be extended
  10. 19. the _____ side of the triangle shares a common vertex with X
  11. 20. if the angle which measure between 180 and 360 degree is____
  12. 21. if a polygon has seven sides ,it has _________vertices
  13. 23. parallelogram on the same base and between the same parallels are _________
  14. 24. a quadrilateral with one pair of parallel sides
  15. 27. diagonal of a rhombus bisects each other at _________
Down
  1. 1. ____________is the longest chord of the circle
  2. 3. if any two sides of a triangle are equal ,the triangle is said to be _________
  3. 4. the part of the circumference which is greater than the semi-circle is___________________
  4. 5. let a,b,c be three number and c be largest ,if c^2=a^2+b^2 the number a,b,and c are called ________
  5. 6. the length of the boundary of a circle i called as_______
  6. 7. the largest side of a right angle triangle is called as _________
  7. 10. a straight line that intersects two or more co planar line is called as..
  8. 11. in a circle ,the angle subtended by an arc at the center of the circle is called as__________
  9. 15. _______ is a quadrilateral in which both the pair of opposite side are parallel
  10. 18. the angle which measure between 0 to 90 degree is
  11. 22. the self evident truth which are accepted without any proof are called as _______
  12. 25. a parallelogram with 4 equal sides and opposite angle equal is_________
  13. 26. a part of the circumference of a circle is called as ______