Two aeroplanes leave from the same airport. One heads North, and the other heads east. After sometime, the northbound aeroplane has travelled 16 miles, while the eastbound aeroplanes has travelled 12 miles. How far apart are the two aeroplanes.
Answers
(aeroplane1)
| \
| \
l \
l \
north l \
l \
16miles l \
l \
l \
l \
l__________\
(aeroplane2)
airport 12 miles
east
hypotenuse is missing so,
use Pythagoras theorem
(Hypotenuse)²=(base)² + (height)²
we get hypotenuse
h²= 12² + 16²
h²= 144 + 256
h²= 200
h= 20
the planes are 20 miles apart from each other