We wish to estimaye the height of the college chimney. When I am
standing at a position A, the angle of elevation is 30 degrees, when I
advance 50m closer the angle of elevation is 47 degrees. How high is the
chimney?
Take the height of the man to be 180cm
Man @180cm
x
A tumour is found to be such that when viewed by x-ray from a point A
the angle of depression is 52 o and when viewed from B a distance of
16cm away horizontally on the other side of the tumour the angle of
depression is 30 o. how far is the tumour from A and how deep is it?
3. what are the three internal angles of both triangles please give full
workings
10
4.
70
find x and y please give full workings
20m x
350 60o
y
50m
96
Mathematics Homework Solutions
#13647
Trigonometry
Please see the attached file for full problem description with proper diagrams.
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1. We wish to estimate the height of the college chimney. When I am standing at a position A, the angle of elevation is 30 degrees, when I advance 50m closer the angle of elevation is 47 degrees. How high is the chimney?
Take the height of the man to be 180cm
Man @180cm
x
2. A tumour is found to be such that when viewed by x-ray from a point A the angle of depression is 52 o and when viewed from B a distance of 16cm away horizontally on the other side of the tumour the angle of depression is 30 o. how far is the tumour from A and how deep is it?
3. what are the three internal angles of both triangles please give full workings
10
4.
70
find x and y please give full workings
20m x
350 60o
y
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