Help!
1. What is the measure of x?
A) 16√2
B) 8√2
C) 8
D) 4
(Check image below)

2. Find the tangent of ∠U.
A) 48/55
B) 48/73
C) 55/48
D) 55/73

step-by-step explanation:

ask goog great chance of finding the solution there

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.  

the answer for the second equation is (4,0)