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ML KHANNA-PROPERTIES OF TRIANGLES -Problem Set (4)(MULTIPLE CHOICE QUESTIONS)
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- In an acute angled triangle which one of the following is true
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- Two sides of a triangle are 2 and sqrt3 and the included angle is 30^@...
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- Two sides of a triangle are the roots of the equation x^2 - 5x +6=0. I...
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- In a triangle ABC if r1=R, then
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- In a Delta ABC, show that (a cos A+b cos B+ c cos C)/(a+b+c)= (r )/(R...
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- Which of the following pieces of data does not uniquely determine an a...
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- If twice the square on the diameter of a circle is equal to sum of the...
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- (r1-r)(r2+r3)=?
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- Show that, 4 R r cos ""A/2cos ""B/2 cos ""C/2 =S
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- if cos A+cosB+cosC=1+4sin(A/2).sin(B/2).sin(C/2) then cos A+cosB+co...
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- In a !ABC cos^(2)A/2+cos^(2)B/2+cos^(2)C/2=
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- r1/(bc)+r2/(ca)+r3/(ab)=
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- Three circles whose radii are 2, 3, 4 units and having centres as C1,C...
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- If r1, lt r2, lt r3 are the ex-radii of a right angled triangle and r1...
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