Answer: 75,83
Step-by-step explanation: add by 8 to every number
1.

The base can't be negative, therefore
.
2.

3.

By the Pythagorean theorem,
.. x^2 +(x -46)^2 = (x +4)^2
.. 2x^2 -92x +2116 = x^2 +8x +16
.. x^2 -100x +2100 = 0
.. (x -50)^2 -400 = 0
.. x = 50 ±20 . . . . . only x=70 makes any sense in the problem
The height, x, of the tree is 70 meters.
There's no diagram, so I made my own.
But I can't prove AD = 2*AB