if o is the origin and a(1,2) ,Bb(2,3) then circum radius of triangle OAB in sq. units

Question

Vikas TU · Answer

Dear Student,

OA=b=sqrt((1-0)^2 +(2-0)^2) =sqrt(5)

similarly OB=a=sqrt(13) and AB=o=sqrt(2)

using Heron’s formula, area =sqrt(s(s-a)(s-b)(s-c)):

area of triangle OAB=A=1/2sq unit

Circumradius R=oab/4A= sqrt(65/2) units [Ans]

Cheers!!

Regards,

Vikas (B. Tech. 4^th year
Thapar University)

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if o is the origin and a(1,2) ,Bb(2,3) then circum radius of triangle OAB in sq. units

if o is the origin and a(1,2) ,Bb(2,3) then circum radius of triangle OAB in sq. units

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if o is the origin and a(1,2) ,Bb(2,3) then circum radius of triangle OAB in sq. units

if o is the origin and a(1,2) ,Bb(2,3) then circum radius of triangle OAB in sq. units

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