A nonconvex polygon is a concave polygon. All polygons with 4 or more sides can be concave. An arrowhead is an example of a concave quadrilateral. The back of an envelop (where the sides are folded and glued together) is a concave pentagon.
A concave hexagon or a concave octagon.
If the sign of the term involving x2 is positive then it is concave upward, provided everybody agrees what concave upwards means. Just like y=x2 is concave upwards.
No a parallelogram cant be concave because the only parrallelograms there are arent concaveParallelograms...*rectangle *square* rhombus*rhomboidMeaning of concave-polygons that have parts that go into the shape.
a concave polygon is that polygon whose at leat one of the angles is greater than 180 degree
lack of calcium in your body causes white stripes on teeth and nails.
double concave lens
double concave lens
No
Ask your Sociology teacher.....
Yes, this is a concave lens. It is also called a diverging lens because it causes light rays to spread out.
calcium
k
Eggshell nails are caused by a deficiency of essential vitamins and nutrients in the nails matrix. Vitamin supplements and proper nutrition will help the nail to grow healthier.
Rusty baseboard nails are caused by moisture. The moisture can be caused by heavy rain and humidity or structural damage.
concave
Aside from the shape of the free edge, what is the difference between the oval-shape nail and the round-shape nail?