The shadow of a vertical tower AB on level ground is increased by 10 m- when the altitude of the sun changes from 45- to 30- as shown in the figure- Find the height of the tower - give your answer correct to one tenth of a meterA- 10-9 mB- 13-7 mC- 14-5 mD- 15-2 mE- 16-3 m

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Standard X

Mathematics

Calculating Heights and Distances

The shadow of...

Question

The shadow of a vertical tower AB on level ground is increased by 10 m, when the altitude of the sun changes from 45^o to 30^o, as shown in the figure. Find the height of the tower & give your answer correct to one tenth of a meter

10.9 m

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13.7 m

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14.5 m

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15.2 m

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16.3 m

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Solution

The correct option is B
13.7 m

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The shadow of a vertical tower AB on level ground is increased by 10 m, when the altitude of the sun changes from 45o to 30o, as shown in the figure. Find the height of the tower & give your answer correct to one tenth of a meter

The correct option is B 13.7 m

The shadow of a vertical tower AB on level ground is increased by 10 m, when the altitude of the sun changes from 45^o to 30^o, as shown in the figure. Find the height of the tower & give your answer correct to one tenth of a meter

The correct option is B
13.7 m