7) A
8) C
9) B
I’m not certain but I hope this helps you...sorry if I got it wrong!!
<span><span><span>Its

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Earths diameter is about 7,927 miles.
Answer:
y=7.794
x=9
Step-by-step explanation:
tan 60=y/(9/2)
y=1.7320(9/2)
y=7.794
sin 60=y/x
x=y/sin 60
x=7.794/0.8660
x=9