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Quadrilateral Flashcards

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

Read the first 7 Quadrilateral flashcards as text

  1. Which quadrilateral has all sides equal AND all angles equal?

    Answer: Square

    Only a square has four equal sides and four equal (right) angles.

  2. The diagonals of a square do all of the following EXCEPT:

    Answer: Have different lengths

    A square's diagonals are equal, so they cannot have different lengths.

  3. One angle of a parallelogram is 65°. What is the measure of its adjacent angle?

    Answer: 115°

    Adjacent angles are supplementary, so 180° − 65° = 115°.

  4. A kite has diagonals of 12 cm and 16 cm. What is its area?

    Answer: 96 cm²

    Area of a kite = ½ × d₁ × d₂ = ½ × 12 × 16 = 96 cm².

  5. Which of these is always a cyclic quadrilateral (can be inscribed in a circle)?

    Answer: A rectangle

    A rectangle is always cyclic because its opposite angles each sum to 180°.

  6. How many lines of symmetry does a square have?

    Answer: 4

    A square has four lines of symmetry: two through opposite sides and two along the diagonals.

  7. If the perimeter of a rectangle is 30 cm and its length is 9 cm, what is its width?

    Answer: 6 cm

    Perimeter = 2(l+w), so 30 = 2(9+w), giving w = 6 cm.