Exemplar example problems II — task. Mathematics CBSE, Class 10.

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From a balloon vertically above a straight road, the angles of depression of two cars at an instant are found to be

$45^{\circ}$ and

$60^{\circ}$ . If the cars are \(100 \ m) apart, find the height of the balloon.

Answer:

The height of the balloon

$=$

$50(1 - \sqrt{3}) \ m$
$50(1 + \sqrt{3}) \ m$
$50(3 - \sqrt{3}) \ m$
$50(3 + \sqrt{3}) \ m$

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