Physics, Chemistry, Maths Forum

PROPERTIES OF TRIANGLES

PROPERTIES OF TRIANGLES

by Chandni Bhatia -
Number of replies: 2

Q.1]  If AD,BE,CF ARE THE MEDIANS OF THE TRIANGLE ABC THEN

AD2 + BE2+ CF2\ AB2 +BC2+CA2 is equal to (a) 4\3 (b)3\2 (c)3\4 (d) 2\3

Q.2] SinA ,SinB, SinC ARE IN  AP FOR THE TRIANGLE ABC ,THEN

(A) the altitudes are in AP   (B)the altitudes are in HP 

(C) the medians are in GP    (d) THE MEDIANS ARE IN AP.

In reply to Chandni Bhatia

Re: PROPERTIES OF TRIANGLES

by Chandni Bhatia -
Sir,thank you for the solutions.Also,thank you for giving the derivation of potential of dielectric sphere.The expression that you derived is very useful.