Answer:
a
Step-by-step explanation:
it's the opposite side of the transaction line.
A 25
1 and 5 are both 25 degrees due to vertical angles and 1 and 3 are same side interior angles so 3 is 25. if 3 is 25, 4 must be 25 due to vertical angles
sorry i don't really get this cause the way you explained it maybe in the comment section say it again and i might get it when you say it again.
20.7
cos 51 = 13/x
x = 13/cos 51
= 20.7
2
