Asked by Debbie
Two observers P and Q 15m apart observe a kite in the same vertical plane and from the same side of the kite.The angle of elevation of the kite from P and Q are 35 degree and 45 degree respectively.Find the height of the kite to the nearest metre.
Answers
Answered by
Henry
PQ = X1 = 15 m.
X2 = hor. distance from Q to kite.
Tan45 = h/X2
h = X2*Tan45
Tan35 = h/(X1+X2)
h = (X1+X2)*Tan35 = (15+X2)*Tan35
X2*Tan45 = (15+X2)*Tan35
X2 = 10.5 + 0.7X2
0.3X2 = 10.5
X2 = 35 m.
h = X2*Tan45 = 35 * Tan45 = 35 m.
h = (X1+X2)*Tan35 = 50*Tan35 = 35 m.
X2 = hor. distance from Q to kite.
Tan45 = h/X2
h = X2*Tan45
Tan35 = h/(X1+X2)
h = (X1+X2)*Tan35 = (15+X2)*Tan35
X2*Tan45 = (15+X2)*Tan35
X2 = 10.5 + 0.7X2
0.3X2 = 10.5
X2 = 35 m.
h = X2*Tan45 = 35 * Tan45 = 35 m.
h = (X1+X2)*Tan35 = 50*Tan35 = 35 m.
Answered by
PEACE
0.0333
Answered by
Aminat
What of the diagram
Answered by
Akoriba
Well done but Please sketch a diagram
Answered by
Rofiat
What of the diagram
Answered by
Olamide
Pls, what about the diagram
Answered by
oredein
Yh its correct
Answered by
Amblessed
I seriously do not understand the answer ..
And please I need the sketch of diagram..
And please I need the sketch of diagram..
Answered by
Favour
What of the diagram
Answered by
Emmanuel
what of the diagram pls
Answered by
Blessing
What of the diagram
Answered by
Joy
Please can I see the diagram and please this is not self-explanatory enough
Answered by
MICHAEL
YOU'RE RIGHT BUT NO DIAGRAM
Answered by
MICHAEL
THIS IS NOT EXPLAINABLE
Answered by
prosper
wonderfully done but please the diagram
Answered by
Emeka
Please I need a diagram
Answered by
Joseph
Pls the diagram
Answered by
Solomon
UNEXPLAINABLE
Answered by
DERBY
35m
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