click below
click below
Normal Size Small Size show me how
Triantanacht
Question | Answer |
---|---|
Triantanacht | An Staidéar ar Thriantán |
Teoirim Phíotagarás | Ar thriantán dronuilleach, is ionann achar na cearnóige a tharraingítear ar an taobhagán agus suim nan-achar sna cearnóga a tharraingítear ar an dá shlios eile. |
x^2 = 64 + 36. x = | 10 |
sin A | an slios urchomhaireach/an taobhagán |
cos A | an slios cóngarach/an taobhagán |
tan A | an slios urchomhaireach/an cóngarach |
cos 72°18' | 0.3040 |
sin A = 0.5216 | 31.44° |
Triantán Dronuilleach | Triantán le uillin 90 |
Triantán Comhchosach | Triantán le dhá slois agus an da uillin ag an mbun mar an gcéana. |
Trántán Comhshleasach | Triantán le achan slois mar an gceanna |
Teoirim Phíotagarás | T^2 = U^2 + C^2 |
Suim na dtrí uillin i dtriantán ná | 180 |