Question

i stood 420m away from the tallest building in Singapore.I held a piece of wood 40 cm long at arms length ,60 cm away from my eye.The piece of wood,held vertically,just blocked the building from my view .Use similar triangles to calculate the height ,h meters of the building





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I want to reach at 20k​

Answer 1

Answer:

280m

Explanation:

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Answer 2

Answer :-280m

Hope it helps