The co-ordinates of the centroid of a triangle ABC are (-1 , 4). What are the co-ordinates of vertex C if co-ordinates of A and B are (-3 , -1) and (3 , 5) respectively
1). (-3 , 8)
2). (3 , 8)
3). (-3 , -8 )
4). (3 , -8)
2. Which of the following statement is CORRECT about a triangle?
4. In Δ ABC, if AD ⊥ BC, then AB2 + CD2 is equal to
5. Find the y-intercept of the line joining two points (1, 3) and (3, 5).
6. What are the coordinates of the midpoint of the segment joining points C(5, 2)and D(1, 8).
8. Find the equation of the line through the points (1, 2) and (5, 3).
9. What is the equation of a line which has 3 as x-intercept and -5 as y-intercept?
10. What is the reflection of the point (-3, 1) in the line x = -2?