Which geographic coordinate occurs within Africa?

20ºN 30ºE

50ºN 60ºW

40ºS 40ºE

10ºS 50ºW

20 N 30 E is in north Sudan so it is in Africa.

50 N 60 W is in The Gulf of St. Lawrence which is in southern Canada so no it is not in Africa.

40 S 40 E is south of south Africa in the Indian ocean so no it is not in Africa.

10 S 50 W is in Brazil so no not in Africa.

20ºN 30ºE is geographic coordinate of Sudan country. The Sudan or Sudan additionally referred to as North Sudan since South Sudan's independence and formally the Republic of the Sudan, is a country in Northeast Africa. So, it is within a part of Africa.