A tower is 20m high and shadow is 20root 3 long on ground find sun's altitude
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Ab=20m and BC(shadow)= 20 root 3 m
To find=AC?
tan theta= AB/BC= 20/20 root3
tan theta= 1/ root 3= tan 30 degree.
sin 30 degree= Ab/AC
1/2= 20/AC
AC=40m
To find=AC?
tan theta= AB/BC= 20/20 root3
tan theta= 1/ root 3= tan 30 degree.
sin 30 degree= Ab/AC
1/2= 20/AC
AC=40m
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