What region of africa has no major rivers flowing through it? why?

Long ago, people who lived in coastal north africa most often interacted with

In the diagram below dab and dac are adjacent angles

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.