Adjacent and vertically opposite angles, angles around a point
Types of exercises: angles on a straight line, vertically opposite angles, vertically opposite angles and angles on a straight line, angles around a point.
Exercises are drawn at random from a large bank - every click gives a different set.
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Problem
Two straight lines cross and make four angles. One of them measures 139°. How many degrees is the angle vertically opposite it?
Problem
Two angles lie next to each other on a straight line (together they form a straight angle). One of them measures 72°. How many degrees is the other?
Problem
Two straight lines cross and make four angles. One of them measures 99°. How many degrees is the angle opposite the angle next to the given one?
Problem
Three angles measuring 95°, 90° and 68°, together with one unknown angle, share a vertex, do not overlap and make up a full angle. How many degrees is the unknown angle?
Problem
Two straight lines cross and make four angles. One of them measures 115°. How many degrees is the angle vertically opposite it?
Problem
Two angles lie next to each other on a straight line (together they form a straight angle). One of them measures 78°. How many degrees is the other?
Problem
Two straight lines cross and make four angles. One of them measures 159°. How many degrees is the angle opposite the angle next to the given one?
Problem
Two angles measuring 93° and 110°, together with one unknown angle, share a vertex, do not overlap and make up a full angle. How many degrees is the unknown angle?
Problem
Two straight lines cross and make four angles. One of them measures 65°. How many degrees is the angle vertically opposite it?
Problem
Two angles lie next to each other on a straight line (together they form a straight angle). One of them measures 70°. How many degrees is the other?
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