Answer:
Part a) A'B'=15 units, B'C'=12 units, A'C'=21 units
Part b) The graph in the attached figure
Explanation:
Part a) calculate the length of each side of the dilated image
we know that
To calculate the length of each side of the dilated image, multiply the scale factor by the original length
we have
scale factor=1.5
so
A'B'=AB*1.5=10*1.5=15 units
B'C'=BC*1.5=8*1.5=12 units
A'C'=AC*1.5=14*1.5=21 units
Part b) draw the new image and label it a'b'c
The graph in the attached figure