Angle properties with parallel lines
Solve for unknown angles using intersecting and parallel line properties. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
Two straight lines cross. One of the angles formed measures 83 deg. Angle x is directly opposite it. Find x.
Answer: 83
See one solved, step by step
A line crosses two parallel lines. One angle measures 92 deg, and angle x is its co-interior partner between the parallel lines. Find x.
📘 Worked solution
1Co-interior angles between parallel lines add to 180°.The two angles sit between the parallel lines on the same side of the crossing line.
2x = 180 - 92 = 88°Apply the rule to the given angle.
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