The diagonal of a square field is 20 meters. What is the area of the square field?
A100 m²
B200 m²
C282 m²
D400 m²
Explanation
The area of a square can be calculated directly from its diagonal (d) using Area = d² / 2. Here, d = 20 meters, so Area = 20² / 2 = 400 / 2 = 200 m².
Exam Relevance
- Topic: Geometry & Mensuration
- Subtopic: Quadrilaterals
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