Answer:
4. metres (approx)
Step-by-step explanation:
The given situation can be illustrated as a picture which I have attached to the answer for better understanding.
As you can notice, the situation can be modeled as a right triangle.
Use the Pythagorean theorem to find the value of leg h, as follow:
[tex]h=\sqrt[]{(7.5m)^{2} - (6.2m)^{2}} \\h=\sqrt{56.25m^{2} - 38.44m^{2}}\\h=\sqrt{17.81m^{2} } \\h= 4.2 m[/tex]
Rounding of the answer : 4 meters
Hence, the height of the tree is approximately 4m.
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