Answer:
<u><em>4. metres (approx)</em></u>
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:
Rounding of the answer : 4 meters
<u><em>Hence, the height of the tree is approximately 4m.</em></u>
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