sav29747 sav29747
  • 16-02-2024
  • Mathematics
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The sun is at an angle of elevation of 75° in the sky.
At this time, a building's shadow is only 15 m long.
How tall is the building?

Later in the day, the same building casts a shadow that is 45m long. At what angle of elevation is the sun at this time?

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