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TEACHER-GUIDE-VERIFIED · TG-V9-030

3. A 2 m antenna casts a 3 m shadow while a tower casts a 45 m shadow. Find the tower height.

Verified solution

Solution: 2/3 = h/45; 3h=90; h=30 m.

Source: Teacher Guide V9 · English V9. Match the numbers and wording in your printed question before using this solution.

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VIDEO HELP · TG-V9-030

Find Tower Height from Shadows (TG-V9-030)

Use similar triangles with a 2 m antenna and 3 m shadow to find a tower's height from its 45 m shadow. The scale factor is 15, so the tower is 30 m high. Assume vertical objects, level ground and the same sunlight angle.

Space Math Explorers · approved worked example · 1:37 · Watch on YouTube

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These pages reproduce verified solution steps for the registered V9 questions. It does not diagnose learning needs or replace instruction from a qualified teacher or tutor.