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Mathematics · 2022 · 3 marks
CBSE 2022 · Region 2 · Set 3 · Q8
From a point on a bridge across a river, the angles of depression of the banks on opposite sides of the river are $\displaystyle 30$° and $\displaystyle 45$°. If the bridge is at a height of $\displaystyle 8$ m from the banks, then find the width of the river.
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CBSE Class 10 Mathematics past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.