Description: 👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that ...

For similar 2D and 3D shapes, there is a relationship between the length scale factor and the area, surface area or volume of the enlarged shapes. Areas increase by a factor equivalent to the length ...

Prove two triangles are congruent by showing they satisfy one of four criteria. Find missing lengths by using the scale factor. The relationship between similar shapes may be expressed as a ratio.