Answer:
108 ft
Correct me, if I am wrong :)
have a great day!
Thanks!
It is said the blue card is a rectangle, so you don’t have to minus the inside rectangle. :)
<span>arccos (cos pi/2)=?
</span>cos pi/2=0, arccos (0)=?, we know that cos pi/2=0, so cos^-1 (o)= Pi/2, but cos^-1 (o)=arccos (0), so arccos (cos pi/2)=Pi/2
Scalene Triangle - A triangle that has no sides of equal length
