Trigonometry Question
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Grade 11 Trigonometry CCSS: HSG-SRT.C.6, HSG-SRT.D.11
Hannah and Josh are 8 miles apart, both on a straight highway that runs directly east-west. An airplane is flying overhead, and crosses this highway (flying between Hannah and Josh's positions). At this moment, the angle of elevation from Hannah to the plane is 56°, and the angle of elevation from Josh to the plane is 61°. What is the altitude of the plane, rounded to two decimal places?
- 2.25 miles
- 4.07 miles
- 4.65 miles
- 6.51 miles