Im having trouble figuring this out, please help!
Triangle STU with vertices
S(-15, -3), I(-12, -15). and U(0, -9):
k= 1/3
![Im having trouble figuring this out please help Triangle STU with verticesS15 3 I12 15 and U0 9k 13 class=](https://us-static.z-dn.net/files/d75/a987399fefd4358b6a0973d594e41d8b.jpeg)