Wikipedia says that the largest major plate is the Pacific, and that the smallest minor plate is Juan de Fuca. So that must be the correct answer after all.
Distance of two points can be calculaetd using formula:

Here x1 and y1 are coordinates of point A and x2 and y2 are coordinates of point B.
Now we insert numbers into formula:
<span>The highest volcanic mountain in Africa is D. Mt. Kilimanjaro. This mountain is 19,341 feet above sea level which is higher than Mt. Kenya, Cameroon, and Stanley.
Kenya is 17,057 feet, Cameroon is 13,255 feet and Stanley is 16,762 feet.</span>