3. Which of the following lengths could NOT be used to create a right triangler
A 27, 36, 45
21, 28, 34
C 39, 52, 65
D 14, 48, 50

It developed as a reaction to the impact of european colonialism in africa on peoples of african descent. in the  mid-20th century, activists in africa adopted pan-africanism as a rallying cry for independence from colonial rule. some african pan-africanists sought to unite the continent as one independenthope it was useful