The exterior angle formed by the letter "V". Notice how this shape is commonly used; for example the wings on a stealth bomber or an arrowhead have this shape.
a wooden gate
the rooftops of most houses or buildings
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There are many examples that shows the exterior of an angle. The most common example would be of a four way stop.
it would be 180 A perfectly straight line would be an example - like the edge of a ruler. Or a plumb line.
Reflex angles can be commonly found in various real-life situations. For instance, the hands of a clock at 10:10 form a reflex angle, as do the blades of a scissors when opened wide. The angle between the arms of a swing set when pushed back can also create a reflex angle. Additionally, the position of a car's side mirrors relative to the body can form reflex angles when adjusted outward.
A roof (:
An angle formed as a see-saw is a real life example.
cycle foces
Roof of a house
a yield sign
a wooden gate
blinds or window panes
2 o'clock on a wristwatch.
the rooftops of most houses or buildings
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The hands of a clock at 5 to 12