SajjadAhmad wrote:
Attachment:
3.jpg
In the figure, what is the measure of angle A?
(1) The ratio of the three angles is 5:12:13.
(2) The sum of the three angles is 180degrees.
Source: NovaGMAT
This one is simple.
1st -Dont go for how the Triangle looks in the question.
2nd -We dont know which one is 5x, 12x or 13x (i.e angle A)
3rd - Option 2 is not at all required, since it is know and like universal truth. From Option 1 we get to know the value of angles but which one is which ?? Thus answer
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