Question

two pairs of _ are formed when two lines intersect at one point​

Answer 1

When two lines intersect they form two pairs of opposite angles, A + C and B + D. Another word for opposite angles are vertical angles. Vertical angles are always congruent, which means that they are equal. Adjacent angles are angles that come out of the same vertex

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Answer 2

Answer:

regions

Step-by-step explanation:

when two lines intersect, they forn 'X' shape,

this shape has 4 area on top botton left and right,

4 areas = 2 pair regions.