Given the preimage and image, find the dilation scale factor. Use the forward slash

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

The table shows the distance traveled over time while traveling at a constant speed.

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?