3 years ago

Same-side interior angles always add

Mathematics

1 answer:

AleksAgata [21]3 years ago

8 0

THEOREM:

<u>Same Side Interior Angles Theorem</u>:– If two parallel lines are cut by a transversal, then the same side interior angles are supplementary.

ANSWER:

By same side interior angles theorem,

∠4 + 123° = 180°

∠4 = 180° - 123°

∠4 = 57°.

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