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Heron's Formula
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Heron's Formula of Class 9

Question
The area of a square field in 8 hectares. How long would a man take to cross its diagonal by walking at the rate of 4 km per hour ?

Correct Answer

6 minutes

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AREA OF TRIANGLE WITH GIVEN BASE AND HEIGHT
APPLICATION OF HERON’S FORMULA IN FINDING AREAS OF QUADRILATERALS
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