Problem preview
MF.GM.4 Warmup MF-051-A02-V04

Use angle facts and diagram structure to find unknown angle measures.

Use vertical-angle equality

Problem

At the intersection of \(\text{two}~\text{lines}\), \(\angle~1\) measures \(30~+~25^{\circ}\). \(\text{Angle}~3\) is directly across from \(\angle~1\). What is the measure of \(\angle~3\)?

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Four variants of this problem type
Curriculum context
Standard
MF.GM.4
Category
Geometry and Measurement
Domain
Angle Reasoning
Objective
Use angle facts and diagram structure to find unknown angle measures.
Problem type
Use vertical-angle equality