It is an octagon. If an internal angle of an octagon is greater than 180°, then it’s called a concave octagon.
Answer:
The option C would be a true statement
Answer:
Explanation:
Thuỷ sản nước ta thường được nuôi tại " ao hồ "
At the center of the Earth is the core, which has two parts. The solid, inner core of iron has a radius of about 760 miles (about 1,220 km), according to NASA. It is surrounded by a liquid, outer core composed of a nickel-iron alloy. The outer core is about 1,355 miles (2,180 km) thick.
