Class 10 Math All topics Some Applications of Trigonometry
One skyscraper is . At some time the shadow of a high pole is long from the light of the sun. What will be the angle of elevation of sun and the length of the shadow and the shadow of the skyscraper at the same time.
Solution: Let is a skyscraper of height . and is a pole of height .
Let elevation angle of sun is .
According to question, and
From right angled




Hence, angle of elevation of sun
Again from right angled ,




Hence, angle of elevation of sun is and length of shadow of skyscraper decimeter.

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Similar topics
introduction to trigonometry
functions
some applications of trigonometry
quadratic equations
surface areas and volumes
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Connecting you to a tutor in 60 seconds.
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introduction to trigonometry
functions
some applications of trigonometry
quadratic equations
surface areas and volumes
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