Across
- 5. f(x)=ax2+bx+c is general form of __________ equation
- 6. TSA of ________ is πr(r + l)
- 7. The line segment joining a vertex of a triangle to the mid point of its opposite side is called
- 9. The lengths of two tangents drawn form an external point to a circle are ______
- 10. line that intersects the circle in exactly one point
Down
- 1. Theorem- In a triangle, if a line is drawn parallel to one side of the triangle, it divides the other two sides proportionally.
- 2. tangent lines at the end points of a diameter of a circle are
- 3. angles and sides or sides are equal
- 4. a line which intersects the circle in two distinct points
- 8. If the discriminant is equal to zero (b2 – 4ac = 0), a, b, c are real numbers, a≠0, then the roots of the quadratic equation ax2 + bx + c = 0, are