In a dilation, point $Q$ is mapped to its image $Q'$. If $C$ is the center of dilation, what must be true about the points $C$, $Q$, and $Q'$?

They form an equilateral triangle.

The distance from $C$ to $Q$ is the same as from $C$ to $Q'$$

They form a right angle at $Q$.

Explore Dilations Practice — Grade 7 math