A Stamp Collector with a Normal near Point (25 Cm)needs

Multiple Choice

A stamp collector with a normal near point (25 cm) needs a magnifying power of 10 to examine her stamps.If one of the stamps is 2.0 cm wide,what is the angle (in degrees) subtended by the stamp when it is viewed through her magnifier?

A) 23º
B) 46º
C) 0.80º
D) 4.6º
E) 1.6º