ANGLE OF ELEVATION AN DEPRESSION

ANGLE OF ELEVATION AN DEPRESSION1In Diagram 8, QR is a tree , 16 m high. The horizontal distance between P and Q is 20 m.

DIAGRAM 8

Calculate the angle of elevation of point R on top of the tree from P

A38 40

B41 59

C48 1

D51 202Diagram 9 shows two vertical poles, KL and MN, on a horizontal plane.

RAJAH 9

The angle of elevation of vertex M from L is 36o.

Calculate the angle of depression of

vertex M from from K.

A42.32o

B42o 32

C47.28o

D47o 28

3In the Diagram 9, M and Q are two points on the flat ground. LKM is vertical pole.

DIAGRAM 9

The angle of elevation of the point L from the point Q is 65 and the angle of elevation of the point K from the point Q is 30.

Calculate the length of LK in m.

A14.15

B25.55

C31.34

D54.444In Diagram 10, SR and FG are two vertical poles on a horizontal land. The angle of depression of F from S is 47o.

Calculate the height of pole SR, in m.

A18.4

B21.4

C24.4

D27.4

5Diagram 11 shows 2 vertical flag poles PQ and RS, which is point Q and point S lay on a horizontal land.

DIAGRAM 11

Angle of elevation of P from vertex R is 26. Calculate the height , in meter , flag pole RS.

A3.56

B3.86

C4.16

D4.66

6In Diagram 8, PR and QS to represented two building on flat ground. Given the elevation angle R from S is 18.

Calculate distance with two building

A76.94

B80.90

C26.29

D25.00

7In Diagram 9, P is vertex of pole. The distance QR is 30 m. The angle depression angle Q from vertex P is 42. DIAGRAM 9

Calculate the hight of pole, in m

A27.01

B29.09

C30.90

D33.32

P

Q

R

75 m

50 m

S

Q

R

P

S

Q

5 m

R

6 m

P

20 m

F

3 m

G

R

S

20 m

K

Q

M

L

10 m

N

K

L

M

25 m

Q

R

P

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_1203013730.unknown

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