Scale
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Perimeters and Areas of Similar Figures
Manipulate two similar figures and vary the scale factor to see what changes are possible under similarity. Explore how the perimeters … and areas of two similar figures compare.
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Similar Figures - Activity A
Vary the scale factor and rotation of an image and compare it to the pre-image. Determine how the angle measures and side lengths of the … two figures are related.
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Similar Figures - Activity B
Vary the scale factor and rotation of an image and compare it to the pre‑image. Determine how the angle measures and side lengths … of the two figures are related.
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Similar Polygons
Manipulate two similar figures and vary the scale factor to see what changes are possible under similarity.
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Similarity in Right Triangles
Divide a right triangle at the altitude to the hypotenuse to get two similar right triangles. Explore the relationship between the … two triangles.
