Question
Fill in the blanks.
175, 180, 185, 190, 195, (a) _____ , (b)  _____
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Fill in the blanks.
175, 180, 185, 190, 195, (a) _____ , (b)  _____