Answer:
1
Step-by-step explanation:
1+10+19+28=58
sum=58+n
58+16=74
the answer is 74
By radical do you mean the square root symbol?
Step-by-step explanation:
we know about vertical angels that are equal
so <2=<4
(in fact they are congruent angles)
we found those only from the definition of vertical angles.
Answer:
all sides are equal and diagonals are also equal
each angle of square is 90°