Back to Lines: Parallel, Intersecting, and Skew Lines; Angle Relationships — Problem 3 · Task Set 27

Exercises: Lines, Parallel/Skew, and Angle Relationships

Give a named reason (corresponding, alternate, co-interior, vertically opposite, or linear pair) with every angle answer.

Grade 7·17 problems·~28 min·Uganda NCDC Primary 7 Mathematics·lesson·construction-01

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Fluency Practice

$Two parallel lines cut by a transversal with eight numbered angles; angles 1 and 3 highlighted as vertically opposite$

In the numbered transversal figure, angles $1$ and $3$ face each other across the crossing point and share only the vertex. What relationship is this?

Corresponding angles

Co-interior angles

Vertically opposite angles