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Mooneshwar Kalra

· started a discussion

· 1 Months ago

answer (Question: 187987.0 )

answer will be h-hcotx

Question:

The angles of elevation of the top of a building and the top of the chimney on the roof of the building from a point on the ground are x and 45 ° respectively. The height of building is h metre. Then the height of the chimney, in metre, is :

Options:
A) (h cot x + h) meter
B) (h cot x – h) meter
C) (h tan x – h) meter
D) (h tan x + h) meter
Solution:
Ans: (b)


Knowledge Expert

· commented

· 1 Months ago

Dear Student,
hCotx -h is correct answer. See the explanation given carefully.
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