Which of these describes the platt amendment?
a. it established the border between haiti and the dominican republic.
b. it granted independence to the philippines, guam, and puerto rico.
c. it allowed the united states to establish a naval base at guantanamo bay.
d. it severed all ties between cuba and the united states.

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°

president coolidge hope this

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explanation:

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