The discoveries in the Olduvai Gorge in East Africa have suggested that the early humans were using primitive types of tools. This tools were made mainly from stone and bones, and they had multiple uses in their daily lives. Most of the tools found are sharpened stones and pointy parts of bones, mostly used for cutting flesh and piercing.
D. The Ghana Empire was established in West Africa as early as the 8th century C.E
the answer is
afircan american
Answer:
46.5
Explanation:
Given that AOC is the diameter and AO na d OB are the radii, then ΔAOB is an isosceles triangle. Thus the base angles ∠A=∠B
thus
∠BAC=∠A will be found as follows:
sum of angles in a triangle is 180
thus
180-87=
=93
hence
∠A=∠B=93/2=46.5°
Answer: 46.5°
They were able to write things down and keep records of them, since <span>cuneiform was a written language. </span>