Answer:
4 : 39
5 : 52
6 : 67
7 : 77
Step-by-step explanation:
I believe number one is 1400
Please find the attached diagram for a better understanding of the solution provided here.
In the attached diagram, OP is the height of the tree.
Rest of the diagram should be sufficiently self explanatory.
In ,
.........................Equation #1
Again, in ,
.........................Equation #2
Thus, equating the equations Equation #1 and Equation #2, we have:
Evaluating we get:
Thus the height of the tree is approximately 49.26 feet