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Similar Figures

Similar Figures. Batman says: “You got this.”. Comparing shapes. One way of comparing shapes is to determine if they are - Congruent or - Similar. Congruent shapes. Same angles Exact same side lengths Can be rotated, or reflected (flipped)

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Similar Figures

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  1. Similar Figures

  2. Batman says: “You got this.”

  3. Comparing shapes • One way of comparing shapes is to determine if they are- Congruent or- Similar

  4. Congruent shapes • Same angles • Exact same side lengths • Can be rotated, or reflected (flipped) • A cut-out of one shape will always fit exactly over the other

  5. Congruent shapes

  6. Similar Figures • Same angles • Same shape • Can be rotated, or reflected • MAJOR DIFFERENCE: The side lengths are larger or smaller • Side lengths must be in proportion with the original

  7. If you are given the dimensions of one shape, and are asked to find the dimensions of a similar figure • Set up equivalent fractions (cross multiplication)new side length new side length old side length old side length

  8. Por ejemplo • Copy down the steps from the board

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