Question
1.
2.
3.
4.
Answer (Detailed Solution Below)
Option 4 : 100 cm²
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Detailed Solution
सही उत्तर 100 cm² है।
Key Points
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prepsnap.in • Part -AQuestion:
The diagonal of a square is $10\sqrt{2}$ cm. The area of the square is / एक वर्ग का विकर्ण $10\sqrt{2}$ cm है। वर्ग का क्षेत्रफल है
1.
200 cm²
2.
50 cm²
3.
141.4 cm²
4.
100 cm²
Correct Answer: 100 cm²
Area = (diagonal)²/2 = (10√2)²/2 = 200/2 = 100 cm². / क्षेत्रफल = (विकर्ण)²/2 = (10√2)²/2 = 200/2 = 100 cm²।
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