Japan
A country whose flag has the colours green, white and red
Rwanda used such a flag from 1962 through 2001
The nation whose capital city is Ashkabad is Turkmenistan. Located in Central Asia, Turkmenistan is bordered by the Caspian Sea, Iran, Afghanistan, Uzbekistan, and Kazakhstan. Ashkabad, known for its white marble buildings, serves as the political, cultural, and economic center of the country.
A country whose flag has the colours green, white and red
The Indian flag has a ashoka chakra [a wheel] in the center of it symbolizing the circle of life and death.
Casablanca is not the capital of any country. It is a city in Morrocco whose capital is actually Rabat. It is however the economic capital of the country as well as the population center.
The country whose capital is Antananarivo is Madagascar. Located off the southeastern coast of Africa, Madagascar is the fourth largest island in the world and is known for its unique biodiversity and rich cultural heritage. The capital city, Antananarivo, is situated in the central highlands and serves as the political and economic center of the country.
The Black center is worn when that country has their military members are engaged in combative activities that puts them in harms way... IE Persian Gulf, Afghanistan The Green centre is worn when that country is at peace, whose military members are not engaged in combative roles
That's a "central angle", but the part that really fascinates me is this: What would it look like if you hadan angle whose vertex was in the center of the circle and whose sides didn't intersect ? ? ?
x2 + y2 = 2
It will be the same angle subtended by its circumference.