Geometry transformations please?

Posted on 2016-03-22 14:27:00 in Math by NIPOLA

Hector is making an art project by cutting and gluing fabric shapes to a wooden board. His design includes two similar triangles, with one 4 times the size of the other. He cuts the smaller fabric triangle and traces it onto grid paper. Describe how he can use the tracing to make a pattern for the larger fabric triangle. 

Apply a dilation with center ____ 

The scale factor is ____ 

The dilation mapping is (x, y) → _____ 

The image represents the shape of the _____ (large or small) triangle.

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