Given: e || f and g is a transversal prove: 1 8 given that e || f and g is a transversal, we know that 4 5 by the alternate interior angles theorem. we also know that 1 4 and 8 5 by the . therefore, 1 8 by the transitive property.

Vertical angle property

Step-by-step explanation:

We are given that e is parallel to f and g is a transversal. Using the alternate interior angles property, ∠4=∠5 which is given.

Since, g is a transversal of the two parallel lines e and f, then ∠1=∠4 and ∠8=∠5 by the vertical opposite angle property.

Hence, ∠1≅∠8 by the transitive angle property.

verticle angles theorem

Step-by-step explanation:

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step-by-step explanation:

1 3 5

step-by-step explanation:

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