How many sides does a TRIACONTAGON have?

How many sides does a TRIACONTAGON have?

In geometry, a triacontagon is a thirty-sided polygon. The sum of any triacontagon’s interior angles is 5040 degrees. One interior angle in a regular triacontagon is 168°, meaning that one exterior angle would be 12°.

Why do people rub their chopsticks together?

Waribashi (割り箸) are those wooden chopsticks that you need to break apart. Some people rub them together as a matter of course, but this is only even needed if the chopsticks are so cheap that they are splintery. Doing this with good quality waribashi indicates that you think they are cheap, and therefore is an insult.

Why do football players wear black stuff under their eyes?

Eye black is a grease applied under the eyes to reduce glare. It is often used by football, baseball, and lacrosse players, where sunlight or stadium lights can impair vision of an airborne ball. It is a form of functional makeup or war paint.

How many letters are in the Arabic alphabet?

Number of letters: 28 (in Arabic) – some additional letters are used in Arabic when writing placenames or foreign words containing sounds which do not occur in Standard Arabic, such as /p/ or /g/.

What does ice mean on a cell phone?

Adding ICE (“In Case of Emergency”) to your phone is a clever means by which emergency personnel can locate your next of kin when something goes wrong.

What percentage of DNA do humans share with bananas?

This is evidence that humans are related to every other species on Earth. The genes of organisms that look very different are surprisingly similar. For example, human DNA sequences are over 95% identical to chimpanzee sequences and around 50% identical to banana sequences.

Why did they put lead in gasoline?

Leaded petrol contained a substance known as tetraethyl lead or TEL, a compound of lead in liquid form originally added to petrol to increase its octane rating. A side effect of adding TEL is that a layer of lead compounds forms on the valve faces of the engine, retarding wear.

How many hairs are on the human head?

The human head has an estimated 100,000 hairs, though the number varies from individual to individual.