In the adjoining figure , O is the centre of the circle and PQ is the diameter .Show that angle PQR is a right angle .​

Step-by-step explanation:

PRQ is the right angle. It is the angle opposite a diameter which is 90 degrees.

PQR is an acute angle. I can make no other statement about it without one more piece of information.

Africans having pride in their own culture despite being ruled by people of different cultures gave them a sense of self worth.

Explanation:

The people of Africa were ruled by people of different cultures and by the people from different countries. They had a history of colonial rule where they were a colony of many countries.

But despite being ruled by people of different cultures, the people of Africa had pride in their own culture. This gave these people a sense of self worth. The Africans had pride in their own culture, in their own language and their own nation.