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CBSE Class 10 Answered

The angle of elevation of the top of a tower from two points distant 'a' and 'b' from the base and in the same straight line with it are complementary. Prove that the height of tower is .
Asked by Topperlearning User | 27 Jul, 2017, 11:02: AM
answered-by-expert Expert Answer

Let AB be the tower and C, D be the two points.

In ABC,

= tan (90 - ) = cot … (1)

In ABD,

… (2)

Multiplying (1) and (2), we get:

Answered by | 27 Jul, 2017, 01:02: PM
CBSE 10 - Maths
Asked by arindeep.singh | 02 Oct, 2020, 12:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by arindeep.singh | 02 Oct, 2020, 12:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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