Question

Kilimanjaro, the tallest mountain in Africa, is 19,340 feet tall. From the summit of Kilimanjaro, what is the greatest distance you can see (the distance from the top of Kilimanjaro to the horizon)? Answer to the nearest mile. (Hint: Earth's radius = 4000 miles, and 5280 feet = 1 mile.)

Answer 1

if i remember my geometry correctly (AB is distance to horizon)

AB^2 = AC * AD
= ( 8000*5280 + 19340) * 19340

Answer 2

i get that 171 miles

Answer 3

is that one of your options?

Answer 4

Thank you!

Answer 5

yw