1. -1
2. -2
3. -3
4. -4
-4
1. 0
2. 1
3. 2
4. Infinite
2
1. 0
2. 1
3. 2
4. Infinite
1
1. 0
2. 1
3. 2
4. Infinite
2
1. 0
2. 1
3. 2
4. Infinite
0
1. The internal of bisector of angle of a triangle are concurrent
2. One internal bisector and the other two external bisectors of angles of a triangle are concurrent
3. One external bisector and two other internal bisectors of angles of angle are concurrent
4. One
One external bisector and two other internal bisectors of angles of angle are concurrent
1. The medians of triangle are concurrent The medians of triangle are concurrent 2) The internal bisectors of angles of a triangle are concurrent 3) The perpendiculars drawn at the midpoints of sides of a triangle are concurrent 4) None
2. The internal bisectors of angles of a triangle are concurrent
3. The perpendiculars drawn at the midpoints of sides of a triangle are concurrent
4. None
None
1. (4/3, 1)
2. (-4/3, 1)
3. (8/3, 3)
4. (-8/3, 3)
(4/3, 1)
1. (-2, 2)
2. (4, 1)
3. (1, -1)
4. (4, 6)
(4, 1)
1. (7, -4)
2. (15, -10)
3. (1/7, 8/7)
4. (0, 5/4)
(15, -10)