Check the picture below.
now, when running an altitude segment from a right-angle perpendicular to the opposite side, namely making a right-triangle on the other end, like in this case, we end up with 3 similar triangles, the Large one containing the other two, the Medium one and the Small one.
we can use proportions from the small one and large one to get "x".
I think compound I have no idea
Answer:1/3
its 1/3 because 4 dived by 4 = 1 and 12 dived by 4 =3 so answer is 1/3
9 3/4 or 9.75 .. im pretty sure that’s the answer let me know if it’s right.