What rotation was applied to triangle def to create triangle d’e’f’
a. 90° clockwise
b. 180°
c. none of the above
d. 90° counterclockwise

Step-by-step explanation:

To create triangle D'E'F', you need to rotate triangle DEF 180°, which results a figure with an opposite position, like a mirror. A 180° rotation always gives an opposite position, a mirror effect.

175

step-by-step explanation:

2 inches x 10 miles = 200 miles - 3 inches = 175