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Geometric Concepts and Shape Properties Flashcards

7 cards from real NNAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which quadrilateral has exactly ONE pair of parallel sides?

    Answer: Trapezoid

    A trapezoid (or trapezium) is defined as a quadrilateral with exactly one pair of parallel sides.

  2. What is the term for a figure that looks the same on both sides of a dividing line?

    Answer: Symmetric

    A figure is symmetric when a line (the line of symmetry) divides it into two mirror-image halves.

  3. A rectangle has a length of 4 units and a width of 3 units. What is its perimeter?

    Answer: 14 units

    Perimeter = 2 × (length + width) = 2 × (4 + 3) = 2 × 7 = 14 units.

  4. Which of these shapes has the MOST sides?

    Answer: Octagon

    An octagon has 8 sides, which is more than a pentagon (5), hexagon (6), or heptagon (7).

  5. Two shapes have the same form but one is larger than the other. What are they called?

    Answer: Similar

    Similar shapes have the same angles and proportional side lengths but differ in size, unlike congruent shapes which are identical.

  6. How many right angles (90°) does a rectangle have?

    Answer: 4

    Every rectangle has four right angles by definition, which is why its corners always form perfect 90-degree angles.

  7. Among these polygons, which has the FEWEST number of sides?

    Answer: Triangle

    A triangle has only 3 sides, which is the minimum number of sides for any polygon.

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