Answer:
A) ∠3 and ∠1
D) ∠2 and ∠4
Step-by-step explanation:
Following angle pairs can be classified as vertical angles.
A) ∠3 and ∠1
D) ∠2 and ∠4
b is just a variable, which is just a term for a value that could change. It could be anything
Step-by-step explanation:
11/5−7/4+2/1
=49/20(Decimal: 2.45)
-5.9, -4, -1/4, 1.75, 6.2, 18 1/2, 21