22.)At some time of the day, the length of the shadow of the tower is equal to its height. Find the Sun's altitude at that time *
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ANSWER
Let the length of shadow =x
⇒ Height =x
Angle =A
so, tanA=
x
x
=1
tanA=tan45
0
so, A=45
0
Hence, the answer is 45
0
.
Let the length of shadow =x
⇒ Height =x
Angle =A
so, tanA=
x
x
=1
tanA=tan45
0
so, A=45
0
Hence, the answer is 45
0
.
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