If D, E and F be the middle points of th...

If D, E and F be the middle points of the sides BC,CA and AB of the `DeltaABC`, then `AD+BE+CF` is

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CENGAGE-PROPERTIES AND SOLUTIONS OF TRIANGLE-Exercise (Multiple)

In triangle, A B Cif2a^2b^2+2b^2c^2=a^2+b^4+c^4, then angle B is equal...
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Lengths of the tangents from A,B and C to the incircle are in A.P., th...
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C F is the internal bisector of angle C of A B C , then C F is equal ...
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The incircle of DeltaABC touches side BC at D. The difference between ...
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A circle of radius 4 cm is inscribed in DeltaABC, which touches side B...
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If H is the orthocentre of triangle A B C ,R= circumradius andP=A H+B ...
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Let ABC be an isosceles triangle with base BC. If r is the radius of t...
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The area of a regular polygon of n sides is (where r is inradius, R is...
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In acute angled triangle A B C ,A D is the altitude. Circle drawn with...
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If A is the area and 2s is the sum of the sides of a triangle, then (a...
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In A B C , internal angle bisector of /A meets side B C in DdotD E|A ...
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In triangle ABC, a = 4 and b = c = 2 sqrt(2). A point P moves within t...
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BC is the base of the DeltaABC is fixed and the vertex A moves, satisf...
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If D, E and F be the middle points of the sides BC,CA and AB of the De...
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