47+ Is An Octagon Convex Or Concave? Pictures. If it has an angle more than 180 degress, it is convex, if it doesn't, it's concave. A concave polygon will always have at least one reflex interior angle—that is, an angle with a measure that is between 180 degrees and 360 degrees exclusive.
Shapes KS 3 revision notes from s256376672.websitehome.co.uk There is a heptagon (7 sides) or an octagon (8 sides), and the answers will be different depending on what you meant. Thanks for contributing an answer to mathematics stack exchange! Please be sure to answer the question.
I was wondering if linear function is convex or concave?
I was wondering if linear function is convex or concave? An (american) football, which curves outwards, is a good example of a convex shape. Convex and concave curves are useful to us human beings and let us first see what we mean by convex and concave. If it has an angle more than 180 degress, it is convex, if it doesn't, it's concave.
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