Prove that the least perimeter of an iso...

Prove that the least perimeter of an isosceles triangle in which a circle of radius r can be inscribed is `6sqrt3r`.

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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions

Form the differential equation of the family of circles in the second ...
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Solve the differential equation : y+x(dy)/(dx)=x-y(dy)/(dx)
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Prove that the least perimeter of an isosceles triangle in which a cir...
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Evaluate: int(x^2)/(x^4+x^2-2)\ dx
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If the sum of lengths of hypotenuse and a side of a right angled tr...
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Find the position vector of the foot of perpendicular and the perpe...
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Prove that the curves y^2=4x and x^2=4y divide the area of square b...
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Evaluate : int0^(3/2)|xcospix|dx
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Evaluate : int0^(pi/2)(sin^2x)/(sin x+cos x)dx
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In a game, a man wins Rs. 5 for getting a number greater than 4 and ...
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An urn contains 4 balls. Two balls are drawn at random from the urn...
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There are two types of fertilisers ‘A’ and ‘B’. ‘A’ consists of 12% ...
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Solve the equation of x:sin^(-1)x+sin^(-1)(1-x)=cos^(-1)x
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Five bad oranges are accidently mixed with 20 good ones. If four or...
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Use elementary column operation C2->C2+2C1 in the following matrix equ...
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Write the number of all possible matrices of order 2xx2 with each ent...
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If x in N and |[x+3,-2],[-3x,2x]|=8, then find the value of x
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Find the vector equation of the plane with intercepts 3,-4 and 2 on x ...
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Find the coordinates of the point where the line through the points A(...
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Find the position vector of a point which divides the join of points w...
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