



 
Hi Nombulelo, In my diagram the height of the tower is $h$ meters. What trig function relates the height $h$ metres, the side length $x$ metres and the angle measurement $45^o?$ What trig function relates the height $h$ metres, the side length $40 + x$ metres and the angle measurement $30^o?$ This gives you two equations in $h$ and $x.$ Solve for $h.$ Penny  


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