Across
- 2. b2-4ac greater than 0
- 6. bsqaure-4ac
- 7. area of triangle is 0
- 8. a1/a2=b1/b2not equal c1/c2
Down
- 1. having same shape and size
- 3. every composite no. can be expressed as product of primes
- 4. if line parallel to one side of a triangle, it divides other 2 sides in same ratio
- 5. 2 figures having same shape
