Question 1
Find the odd figure out based on polygon properties.
Figure A:
Figure B:
Figure C:
Figure D:
Figure E:
Step-by-step Solution:
Step 1: Identify the geometric shapes
- Count the number of sides for each polygon
- Classify each shape by its number of sides
Step 2: Analyze the mathematical property
- Four figures are polygons with an EVEN number of sides (4 or 6 sides)
- These include squares (4 sides) and hexagons (6 sides)
- Even-sided polygons share specific symmetry properties
Step 3: Detect the odd polygon
- Figure C is a pentagon with 5 sides (ODD number)
- This breaks the even-sided polygon pattern
- Pentagon belongs to the odd-sided polygon category
Step 4: Mathematical verification
- Even numbers: 4, 6 (divisible by 2)
- Odd number: 5 (not divisible by 2)
- Four figures have even sides; one (Figure C) has odd sides
Advanced Property Analysis:
- Even-sided regular polygons have both diagonal and edge-to-edge symmetry
- Odd-sided regular polygons only have vertex-to-edge symmetry
- This is a deeper mathematical distinction beyond visual appearance
Systematic Counting Method:
- Count sides carefully for each polygon
- Classify as even or odd
- Identify the numerical outlier
Common Mistakes:
- Confusing shape names with their properties
- Not counting sides systematically
- Missing the even/odd mathematical distinction
- Focusing on size rather than side count
Step 1: Identify the geometric shapes
- Count the number of sides for each polygon
- Classify each shape by its number of sides
Step 2: Analyze the mathematical property
- Four figures are polygons with an EVEN number of sides (4 or 6 sides)
- These include squares (4 sides) and hexagons (6 sides)
- Even-sided polygons share specific symmetry properties
Step 3: Detect the odd polygon
- Figure C is a pentagon with 5 sides (ODD number)
- This breaks the even-sided polygon pattern
- Pentagon belongs to the odd-sided polygon category
Step 4: Mathematical verification
- Even numbers: 4, 6 (divisible by 2)
- Odd number: 5 (not divisible by 2)
- Four figures have even sides; one (Figure C) has odd sides
Advanced Property Analysis:
- Even-sided regular polygons have both diagonal and edge-to-edge symmetry
- Odd-sided regular polygons only have vertex-to-edge symmetry
- This is a deeper mathematical distinction beyond visual appearance
Systematic Counting Method:
- Count sides carefully for each polygon
- Classify as even or odd
- Identify the numerical outlier
Common Mistakes:
- Confusing shape names with their properties
- Not counting sides systematically
- Missing the even/odd mathematical distinction
- Focusing on size rather than side count