Question

two pairs of opposite angles​

Answer 1

Hi mate

Question:

Two pairs of opposite angles

Answer

When two lines intersect they form two pairs of opposite angles, A + C and B + D.

(Or)

Opposite angles are vertical angles.

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Answer 2

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When two lines intersect they form two pairs of opposite angles, A + C and B + D. Another word for opposite angles are vertical angles. ... Two angles are said to be complementary when the sum of the two angles is 90°. Two angles are said to be supplementary when the sum of the two angles is 180°.