Answer:
the third one
Step-by-step explanation:
search up 30 - 60 - 90 triangle rule for references
we have

This is a mixed number
we know that
A mixed number is a combination of a whole number and a fraction.
So
is equal to

where
is the whole number
is the fraction

therefore
the answer is

Answer:
the first one is 113.04m
the second one is 615.44 cm
the third one is 530.66 ft
the fourth one is 163.28 in
the fifth one is 31.4 m
the sixth one is 28.26 m
the seventh one is 314
the eightth one is 50,24
finally finished:)))