# The Two Equal Sides of an Isosceles Triangle with Fixed Base B Are Decreasing at the Rate of 3 Cm per Second. How Fast is the Area Decreasing When the Two Equal Sides Are Equal to the Base? - Mathematics

The two equal sides of an isosceles triangle with fixed base b are decreasing at the rate of 3 cm per second. How fast is the area decreasing when the two equal sides are equal to the base?

#### Solution

Let ΔABC be isosceles where BC is the base of fixed length b.

Let the length of the two equal sides of ΔABC be a.

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#### APPEARS IN

NCERT Class 12 Maths
Chapter 6 Application of Derivatives
Q 3 | Page 242