Slide to resize
Dilations change size!
A scale factor multiplies the size of a shape from a center point. Match the shadow by setting .
check_circle Perfect Match!
{{ s1_k.toFixed(1) }}
Tap the grid
Dilating a Point
Multiply the coordinates of point by the scale factor . Tap the new location .
Drag to build
Dilating a Shape
Dilate the blue triangle by . Drag the new vertices to their correct locations on the grid.
check
Tap to fill
How does Area change?
The blue square has an area of 1. If we dilate it by , tap the grid to build the new shape!
Awesome! Side lengths multiplied by {{s4_k}}.
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Master of Dilations!
You successfully resized shapes, mapped points, and discovered how scale factors change area!