Which measurement is the best estimate for the length of a bean?

a : 13 mm

b : 13 cm

c : 13 m

d : 13 km

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

Find the value of the cosine for angle a

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?