, .
........................................
Answer:
A. h>0
Step-by-step explanation:
Given:
The figure of a right angle triangle.
To find:
The value of y.
Solution:
in a right angle triangle,

In the given right triangle,


On cross multiplication, we get




Therefore, the value of y is
units.
Answer is 3x
Reduce the index of the radical and exponent with 2