When height of a tree is equal to the length of its shadow, what is the angle of elevation of the sun? Options:
A) 45 deg
B) 65 deg
C) 276 deg
D) 66 deg
E) 165 deg
45 degNSWER: 45 deg
<result>A</result>
When height of a tree is equal to the length of its shadow, what is the angle of elevation of the sun?