Involvement in the spanish-american war, acquisition of hawaii, and introduction of the open door policy in china were actions taken by the us government to?

a. establish military alliances with other nations
b. gain overseas markets and sources of raw materials
c. begin policy of manifest destiny
d. support isolationist forces in congress

angle a = 40.6°

step-by-step explanation:

for any right angle triangle we know the pythagoras theorem reveals

hypotenuse² = height²+base²

by this formula we will calculate the length of hypotenuse

h² = 6²+7²

⇒ h =√36+49 = √85 = 9.22

now from the given triangle sin a = height/ hypotenuse

                                                sin a = 6/9.22 = 0.651

therefore

so angle a = 40.6°

d. the great plains       hop3 this yo