Question 945457

since you have right triangle, altitude is equal to the side {{{WY=h=12mi}}}, and other side (base) is {{{XY=b=5mi}}}, then the area of ΔWXY is:

{{{A=(1/2)b*h}}}

{{{A=(1/2)5mi*12mi}}}

{{{A=(1/cross(2)1)5mi*cross(12)6mi}}}

{{{A=5mi*6mi}}}

{{{A=30mi^2}}}