Waste less time on Facebook — follow Brilliant.

How many triangles?

The number of non-congruent triangles \(ABC\) such that \(\angle A=25^{\circ}\), \(AB = 10\) and \(BC = \alpha\), where \(\alpha \in \mathbb{R}^{+}\) is:

  • exactly one

  • at most one

  • at most 2

  • none of the above.

Note by Paramjit Singh
3 years, 8 months ago

No vote yet
1 vote


There are no comments in this discussion.


Problem Loading...

Note Loading...

Set Loading...