Question

In a triangleABC, vertex A is (6,8) and the midpoint of BC is (3,2). then the coordinates
centroid G of AABC is
1) (1,1)
2) (2,1)
3) (3, 4)
4) (4, 4)
In the diagram the coordinates of P, Q and R are (3,6), (-1,3) and (2, -1) respectively, the
ASQR is
1) 12 sq. units
2) 12.5 sq. units
3) 13 sq. units
4) 14 sq. units
P(4,-5) and Q(5,8) are the endpoints of a line segment PQ. The ratio in which PQ is di
the Y - axis is
1)3 : 2 internally 214.5 evtornell..
The di
the res
11​

Answer 1

Coordinates of centroid   = (4 , 4)  if In a triangleABC, vertex A is (6,8) and the midpoint of BC is (3,2)

Step-by-step explanation:

In a triangle ABC, vertex A is (6,8) and the midpoint of BC is (3,2)

Let say D =  midpoint of BC is (3,2)

=> AD is median

Centriod divides Median in 2:1  ratio

=> AB  (6, 8) & (3,2) is divided by centroid in 2: 1 Ratio

Coordinates of centroid  =  (2 * 3  + 1 * 6)/(2 + 1)  ,  (2 *3 + 1 * 6)/(2 + 1)

= 12/3 , 12/3

= 4 , 4

Coordinates of centroid   = (4 , 4)

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