CBSE MATHEMATICS • SELECTED CENTRAL & STATE COMPETITIVE EXAMS
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GANITA PRAKASH · GRADE 7 · PART II · CHAPTER 1

Geometric Twins

Think first. Use AI purposefully. Verify always.

What makes an exact copy? Move from matching shapes to precise constructions, correct correspondence and geometric proof.

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  1. MATCH

    Same shape. Same size.

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  2. FIX

    Which measurements fix a copy?

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  3. TRIPLE

    Three sides determine a triangle

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  4. ORDER

    Correspondence carries meaning

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  5. HINGE

    Fix the included angle

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  6. AMBIGUOUS

    A non-included angle can leave two answers

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  7. ANGLE

    Two angles and a side

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  8. RIGHT

    Right angle, hypotenuse, side

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  9. DEDUCE

    Turn congruence into a reason

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Chapter Resources

★ AIMS Think+

Seven source-derived investigations. This chapter does not use an official starred-question system; the star identifies AIMS Think+.

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