Could i get with this question? ? just an explanation on how to do it : )

approximately 1584.9 m

Step-by-step explanation:

Add 3 parts together:

first part is the top dark line (1200-800)=400

The vertical line at the bottom (1100-900)=200

The slant will come from the pythagorean theorem using 400 and 900 as legs so find 400 squared + 900 squared =970000

Now take the squre root of that, approximately 984.9

Add 400+200+984.9=1584.9 m

since the airplane is moving with constant speed then the distance travelled can be calculated by x=u*t

in km/h would be:

x=640*3.5=2.240 km

in m/s would be:

u=640 km/h= 640.000 m/h =640.000/ 3600 m/s =177.8 m/s

t= 3.5 h= 3.5 * 3600 s=12.600 s

then x=u*t= 177.8*12.600= 2.240.280 m

each side has a different length.  

step-by-step explanation: