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.

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.

I seriously do not understand the answer ..

And please I need the sketch of diagram..

What of the diagram

Please I need a diagram

what of the diagram pls

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What of the diagram

Pls, what about the diagram

What of the diagram

Please can I see the diagram and please this is not self-explanatory enough