3.in Figure 1, which of the following quantities that a and b
A. <1=<7
B. <3=<5
C. <4=<5
D. <4=<7
4. In figure 2, if a and b and t is a transversal which angles are congruent to <5?
A.<1, <2 and <3
B.<1, <2 and <8
C.<1, <4 and <7
D.<1, <4 and <8
5.In figure 3, line a and b are parallel cut by a transversal t. which statement is Not Correct ?
A.<1 and < are congruent angles
B.<3 and < form a linear pair.
C.<2 and < are supplementary.
D.<3 and < are congruent angles​