# IS triangle

Calculate interior angles of the isosceles triangle with base 38 cm and legs 26 cm long.

Result

α = β =  43 °
γ =  93.9 °

#### Solution:

$\alpha = \beta = \arccos( \dfrac{ 38 }{ 2 \cdot 26} ) =43 ^\circ$
$\gamma = 2 \arcsin( \dfrac{ 38 }{ 2 \cdot 26} ) =93.9 ^\circ$

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