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For a triangle 

Option: 1

Only one angle can be greater than or equal to 90o


Option: 2

Only one angle can be less than or equal to 90o


Option: 3

Both (a) and (b)


Option: 4

None of the above


Answers (1)

best_answer

Sum of angle of a triangle is 180

\angle A+\angle B+\angle C=180^o

If \angle A\geq90^o

\angle B+\angle C\leq90^o

Hence only one angle can be greater or equal to 90o

Posted by

Rakesh

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