The building I focused at an angle 30°. When I moved 5 m building I focused at an angle 45°. What is the height of the building?

Correct answer:

x =  6.8 m

Step-by-step explanation:

tan30°=x/y tan45°=x/(y5)  tan45°=x/(x/tan30°5)  x=tan(30)tan(45)15tan(45)=6.8 m

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