Answer:
m∠4:55°
Step-by-step explanation:
this is because 2 and 4 are congruent to each other
Answer: 
-3 times the square root of 5
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Explanation:
Let 
Replace all the root 5 terms with x and we go from

to

From here, combine like terms to get

and the last thing to do is replace the x with sqrt(5)

Meaning that,


Answer:
option d is the answer..................
7.......................................