CBSE Class 12 Math 2023 Outside Delhi Set 3 Solved Paper

Question : 8 of 12

Marks: +1, -0

If equal sides of an isosceles triangle with fixed base

10 {\cm}

are increasing at the rate of

4 {\cm} \/ {\ s}

, how fast is the area of triangle increasing at an instant when all sides become equal?

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