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Question-5517




Question Number 5517 by Rasheed Soomro last updated on 17/May/16
Commented by Rasheed Soomro last updated on 17/May/16
  •ABC is a triangle, D,E and F are  midpoints of the sides of it.  •Centres of arcs are A,B and C.  AB=c ,BC=a,CA=b  ▲GHI=?
$$ \\ $$$$\bullet\mathrm{ABC}\:\mathrm{is}\:\mathrm{a}\:\mathrm{triangle},\:\mathrm{D},\mathrm{E}\:\mathrm{and}\:\mathrm{F}\:\mathrm{are} \\ $$$$\mathrm{midpoints}\:\mathrm{of}\:\mathrm{the}\:\mathrm{sides}\:\mathrm{of}\:\mathrm{it}. \\ $$$$\bullet\mathrm{Centres}\:\mathrm{of}\:\mathrm{arcs}\:\mathrm{are}\:\mathrm{A},\mathrm{B}\:\mathrm{and}\:\mathrm{C}. \\ $$$$\mathrm{AB}=\mathrm{c}\:,\mathrm{BC}=\mathrm{a},\mathrm{CA}=\mathrm{b} \\ $$$$\blacktriangle\mathrm{GHI}=?\: \\ $$

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