12 cm should be labelled as hypotenuse (\(h\)) because it is ... ratio. Practise finding angles in right-angled triangles with this quiz. You may need a pen and paper to help you with your answers.
Are we trying to find the hypotenuse of an isosceles triangle? Launch angle is basically a fancy ... All of the data you want is on the far right of the table and looks like this: That's all ...