Review the following statements and select the most appropriate option.
In tachometric surveying:
A. The stadia method is based on the principle that the ratio of the perpendicular to the base is constant in similar isosceles triangles.
B. In the sub-tense method, the tachometric angle is always constant for a given telescope.
1
Statement A is true B is false.
2
Statement B is true A is false.
3
Both statements are true.
4
Both statements are false.
5
Information Insufficient