Sky Diving

Kim skydives from an aeroplane and notices her house! Her house is a distance of 8.94km from where she skydives in the sky. Kim's mother spots her from an angle of 51.18. Use this information to answer the following questions.

Find Angle A to the nearest degree (Aeroplane)

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Find the length of side b (how high the aeroplane is):

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Find the angle of depression:

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Is the angle of depression the same as Angle B? Should it be?