Answer:
12 Sides
Explanation:
Since an interior is 150 degrees,it's adjacent exterior angle is 30 degrees
West Africa is mostly a region of plains. Climates range from arid to tropical and they have important agricultural and mineral resources.
The Ancient Maya<span>. </span>Mayan<span> civilization lasted for more than 2,000 years, but the period from about 300 A.D. to 900 A.D., known as the Classic Period, was its heyday. During that time, the </span>Maya<span> developed a complex understanding of astronomy.</span>
It is Egypt. The river Nile runs through the city and Tahrir square (a big museum full of Egyptian artefacts) is right in the centre of the city.
