Let's go through each of the first four questions from your
"Classify Quadrilaterals" quiz and solve them step by step.
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Question 1:
Image: A quadrilateral with all sides labeled as
'a', forming a diamond-like shape (rotated square).
Choices:
A. rhombus
B. square
C. trapezoid
D. rectangle
####
Analysis:
- All four sides are equal → this is a key property of both
rhombus and
square.
- But we don't see any indication of right angles in the image (it’s tilted, so it may not be a square).
- However, if
all sides are equal and
opposite sides are parallel, it's a
rhombus.
- A
square is a special kind of rhombus with
right angles, but unless we can confirm that, we shouldn’t assume it.
But here's the catch:
In many school-level diagrams, when a quadrilateral has
all sides equal and
no right angles shown, it's typically classified as a
rhombus,
not necessarily a square.
✔ Answer: A. rhombus
>
✔ *Note:* While a square is a type of rhombus, the most accurate classification based on appearance (no right angles visible) is
rhombus.
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Question 2:
Image: A quadrilateral with two parallel sides (top and bottom), and non-parallel legs (left and right). The top side is labeled 'b', bottom 'a', left and right 'c'.
Choices:
A. rectangle
B. parallelogram
C. trapezoid
D. rhombus
####
Analysis:
- Only
one pair of opposite sides is parallel (top and bottom).
- The other two sides are not parallel (they slant inward or outward).
- This fits the definition of a
trapezoid.
> 🔹 Trapezoid: Exactly one pair of parallel sides.
✔ Answer: C. trapezoid
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Question 3:
Image: A rectangle-like shape with opposite sides labeled:
- Top and bottom: 'a'
- Left and right: 'b'
So, opposite sides are equal, and all angles appear to be right angles.
Choices:
A. rhombus
B. trapezoid
C. square
D. rectangle
####
Analysis:
- Opposite sides are equal → possible rectangle or parallelogram.
- Angles look like 90° → suggests
rectangle.
- But is it a
square? Only if all sides are equal.
- Here,
'a' ≠ 'b' (since they're labeled differently), so not all sides equal.
Therefore, it's a
rectangle (but not a square).
✔ Answer: D. rectangle
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Question 4:
Image: A quadrilateral with only
one pair of parallel sides (the top and bottom), and the other two sides slanted.
Looks like an irregular trapezoid.
Choices:
A. Square
B. Rectangle
C. Parallelogram
D. Trapezoid
####
Analysis:
- Only one pair of parallel sides →
trapezoid
- Not a square, rectangle, or parallelogram (those require more symmetry or two pairs of parallel sides)
✔ Answer: D. Trapezoid
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✔ Final Answers:
| Question | Answer |
|--------|--------|
| 1 | A. rhombus |
| 2 | C. trapezoid |
| 3 | D. rectangle |
| 4 | D. Trapezoid |
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Let me know if you'd like help with the rest of the 19 questions!
Parent Tip: Review the logic above to help your child master the concept of quadrilaterals worksheet 4th grade.
