Which angle is always equal
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Step-by-step explanation:
vertical angles
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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∠ Incidence = ∠ Reflection .
i.e,
∠ i = ∠ r
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