Answer:
D
Step-by-step explanation:
The centroid of a triangle is the intersection of the three medians of the triangle (each median connecting a vertex with the midpoint of the opposite side).
Answer is in a photo. I can only upload it to a file hosting service. link below!
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AA cuz u have all the angles
Insta: lankey.t
x1 = - 3/4. x2 = 1/2
the coordinates of B(4, 3 ) and D(4, - 4 )
BD = d - b ← position vector representation
= <4, - 4> - <4, 3> = <0, - 7>
BD' = 2BD = 2<0, - 7> = <0, - 14>
D' = (4 + 0, 3 - 14 ) = (4, - 11 ) → D