To find height $ h $ use formula:
$$ \sin \left( \alpha \right) = \dfrac{ h }{ a } $$After substituting $ \alpha = 22^o $ and $ a = 2565 $ we have:
$$ \sin( 22^o ) = \dfrac{ h }{ 2565 } $$ $$ 0.3746 = \dfrac{ h }{ 2565 } $$$$ h = 0.3746 \cdot 2565 $$$$ h = 960.8659 $$