The diagonal of a square is 10*sqrt(2) cm. What is its side length?
A5 cm
B10 cm
C15 cm
D20 cm
Explanation
Diagonal d = a * sqrt(2). Given d = 10*sqrt(2), equating gives a * sqrt(2) = 10*sqrt(2) => side a = 10 cm.
Exam Relevance
- Topic: Geometry, Mensuration & Trigonometry
- Subtopic: Square Properties

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