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If a vertex of equilateral triangle is on origin and second vertex is (4,0) then its third vertex is

If a vertex of equilateral triangle is on origin and second vertex is (4,0) then its third vertex is

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear pallavi


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its clear from the figure that 2 tringlr are possible triangle ABC   and  triangle BCD

A=(4cos60 ,4sin60)

 =(2, 3√3)

B=((4cos60 ,-4sin60)

  =(2, -3√3)

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