5.2 In the figure below, ABC has DE // BC. AC = 20cm, EC = 4cm and DB - 2em E-É.
С
4
D
5.2.1 Calculate the numerical value of AD
5.2.2 Prove that
AD
DB
ER
5.2.3 Calculate the numerical value of:
AREA OFAABE
AREA OFADE
AREA OF AABC
AREA OF AEBC​

[1] AC = 3AE + AE, AB = 3AD + AD

[2] Transitive property

[3] Reflexive Property of Equality

Explanation:

the correct answer is a) egypt and china.

egypt and china are two of the world’s oldest civilizations known by man. both ancient empires have left a great historic and cultural legacy to the world through archeology. both civilzations developed complex social relations, had deep religious beliefs, had dominion of agriculture and left writing records to understand their customs and culture.

among the requirements to consider a civilization, we find urbanization, writing records, a place of residence, agriculture methods, technological specialization, means of transportation, currency, population density, social stratification, and political integration.