Satellites KA-121212 and SAL-111 have spotted a UFO. Scientists want to determine its distance from KA-121212 so they can later determine its size. The distance between these satellites is 900 \text{ km}900 km900, start text, space, k, m, end text.
From KA-121212's perspective, the angle between the UFO and SAL-111 is 60^\circ60
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60, degrees.
From SAL-111's perspective, the angle between the UFO and KA-121212 is 75^\circ75
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75, degrees.
How far is the UFO from KA-121212?