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Theorems related to triangles - class-X

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Multiple Choice

The sides of triangle are in A.P. and the greatest angle exceeds the least by 90. The sides are in the ratio _____________.

  1. $1 : 2 : \sqrt { 2 }$
  2. $1 : \sqrt { 3 } : 2$
  3. $\sqrt { 7 } + 1 : \sqrt { 7 } : \sqrt { 7 } - 1$
  4. $\sqrt { 3 } + 1 : 1 : \sqrt { 3 } - 1$