Question

ΔAʹBʹCʹ is a dilation of ΔABC with the origin as the center of dilation.
The coordinates of the vertices are as follows:
A (0.3, 1.2), Aʹ (1.8, 7.2) B (2.1, 3.1), Bʹ (12.6, 18.6) C (3, 2.1), Cʹ (18, 12.6)
What is the scale factor?

Answer 1

First you need a graph

Answer 2

https://mathway.com/graph
Graph Triangle A,B,C in this graph
Then Graph triangle A',B',C'