PLS Help With these four! I appreciate all/any help at all! Awarding Brainliest + 22 points! Thanks soo much! * I will also try to help u back if u need it! ) Thanks again! ( Need the answers by next wed)

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4

the radius is 2 times the diameter.

step-by-step explanation:

3+x

step-by-step explanation:

the answer is 1030 it's very simple math.