Question

In case of the angle of elevation which one of the following is true.
a./ The angle between foot of observation and horizontal line.
b./ The case when we raise our head to look at the top of object .
c./ The case when we lower our head to look at the object .
d./ None of the above.​

Answer 1

Answer:

b. the case when we raise our head to look at the top of object

Step-by-step explanation:

because at that time we r the horizontal line and the angle which is made while looking at the object is the angle of elevation

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