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Two equal sides of an isosceles triangle with fixed base 'a' are decreasing at the rate of 9 cm/second. How fast is the area of the triangle decreasing when the two sides are equal to 'a'.
cbse
class12
modelpaper
2011
sec-b
q16
math
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Dec 29, 2012
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thanvigandhi_1
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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 ?
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Two equal sides of an isosceles triangle with fixed base b are decreasing at the rate of 3cm/sec. How fast is the area decreasing when the two equal sides are equal to the base?
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The volume of a cube is increasing at a rate of $9\;cm^2/s$ . How fast is the surface area increasing . When the length of the edge is $10\;cm$
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The length x of a rectangle is decreasing at the rate of 5 cm/minute and the width y is increasing at the rate of 4 cm/minute. When \( x = 8 cm \) and \( y = 6 cm \) , find the rate of a change of (a) the perimeter, (b) the area of the rectangle.
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